which city name has the least number of unique letters?
Ada
Name of place Number of counties Principal county Lower zip code
Abbott 1 Scott County 72944
Abco 1 Hot Spring County
Aberdeen 1 Monroe County 72134
Acorn 1 Polk County 71953
Ada 1 Conway County 72001
Adams Field 1 Pulaski County 72202
Adona 1 Perry County 72001
Advance 1 Baxter County
Aetna 1 Craighead County
Aggie 1 Craighead County
Agnos 1 Fulton County 72513
Agricultural School 1 Columbia County
Air Base 1 Pulaski County 72076
Airport Village 1 Jackson County
Alabam 1 Madison County 72740
Alamo 1 Montgomery County
Albert 1 Montgomery County
Albert Pike 1 Garland County 71913
Albion 1 White County 72143
Alco 1 Stone County 72610
Alexander 1 Greene County 72450
Alexander 2 Pulaski County 72002
Alexander 2 Saline County 72002
Alf 1 Montgomery County
Alfrey 1 Monroe County 72021
Algoa 1 Jackson County 72112
Alicia 1 Lawrence County 72410
Alix 1 Franklin County 72820
Allbrook 1 Howard County 71851
Alleene 1 Little River County 71820
Allendale 1 Monroe County
Allene 1 Little River County
Allfriend 1 Newton County 72664
Allis 1 Drew County
Allison 1 Stone County 72511
Allport 1 Lonoke County 72046
Alma 1 Crawford County 72921
Almond 1 Cleburne County 72550
Almyra 1 Arkansas County 72003
Alpena 2 Boone County 72611
Alpena 2 Carroll County 72611
Alpha 1 Yell County
Alpine 1 Clark County 71920
Alread 1 Van Buren County 72031
Altheimer 1 Jefferson County 72004
Alto 1 Poinsett County 72354
Altus 1 Franklin County 72821
Aly 1 Yell County 72857
Amagon 1 Jackson County 72005
Amanca 1 Crittenden County 72376
Amboy 1 Pulaski County
Ames 1 Nevada County
Amity 1 Clark County 71920
Amy 1 Ouachita County 71701
Anderson 1 Scott County
Anderson Tully 1 Poinsett County
Andrews 1 White County
Annieville 1 Lawrence County 72434
Anthony 1 Hempstead County 71801
Anthony Subdivision 1 Crittenden County
Anthonyville 1 Crittenden County 72301
Antioch 1 Craighead County
Antioch 1 Hot Spring County
Antioch 1 Perry County 72070
Antioch 1 White County 72012
Antoine 1 Pike County 71922
Apalco 1 Lafayette County
Apex 1 Sebastian County 72938
Aplin 1 Perry County 72126
Appleby 1 Washington County
Applegate Ford 1 Carroll County
Appleton 1 Pope County 72822
Apt 1 Craighead County 72403
Arbaugh 1 Newton County 72852
Arbor Grove 1 Lawrence County 72433
Arcadia 1 Hempstead County 71857
Ard 1 Yell County 72834
Arden 1 Little River County 71822
Arkadelphia 1 Clark County 71923
Arkalite 1 Lonoke County
Arkana 1 Baxter County
Arkana 1 Lafayette County 71826
Arkansas A and M College 1 Drew County
Arkansas City 1 Desha County 71630
Arkansas Fuel Oil Company Village 1 Columbia County 71753
Arkansas Polytechnic College 1 Pope County
Arkansas Post National Memorial 1 Arkansas County 72055
Arkansas State Teachers College 1 Faulkner County
Arkawana 1 Baxter County
Arkinda 1 Little River County 71836
Arkola 1 Sebastian County 72945
Arlberg 1 Stone County
Armorel 1 Mississippi County 72310
Armstrong 1 Sharp County 72482
Armstrong Springs 1 White County 72148
Arnett 1 Washington County
Artesian 1 Calhoun County
Artex 1 Miller County
Arthur 1 Conway County 72156
Artist Point 1 Crawford County
Ashdown 1 Little River County 71822
Asher 1 Madison County 72727
Asher 1 Pulaski County 72204
Ash Flat 2 Sharp County 72513
Ash Flat 2 Fulton County 72513
Ashton 1 Chicot County 71653
Athelstan 1 Mississippi County 72370
Athens 1 Howard County 71971
Atkins 1 Pope County 72823
Atlanta 1 Columbia County 71740
Attica 1 Randolph County 72455
Atwood 1 Howard County
Aubrey 1 Lee County 72311
Augsburg 1 Pope County 72874
Augusta 1 Woodruff County 72006
Aurelle 1 Union County 71765
Aurora 1 Madison County 72740
Austin 1 Conway County 72027
Austin 1 Lonoke County 72007
Austin Station 1 Lonoke County
Auvergne 1 Jackson County 72112
Avant 1 Garland County
Avery 1 Lincoln County 71639
Avilla 1 Saline County 72002
Avoca 1 Benton County 72711
Avon 1 Sevier County 71832
Azor 1 Nevada County 71835
csv/204-csv/299.tsv