Question: what's the ungen for ត្រីទស?
SQL: SELECT "UNGEGN" FROM "2-1270572-9" WHERE "Word form" = 'ត្រីទស';

Question: what notes have the khmer ២៨?
SQL: SELECT "Notes" FROM "2-1270572-9" WHERE "Khmer" = '២៨';

Question: what's the ungegn for the ១០០ khmer?
SQL: SELECT "UNGEGN" FROM "2-1270572-9" WHERE "Khmer" = '១០០';