to be); UNPEG (13A. Remove wooden pins from; VOILA (53D. “There!”). Three- and four-letter -- ABLE, ACH, ADO, AJAR, AMA, ASEC, AWOL, BALE, CLEO, CRAM, EDIE (36D. Actress Falco), EENY, ERA, ERIE, EXGI, EXO, KEY, INRE, MADE, MLLE, MOMS, NETS, NEV, NILE, OLAV and OSLO, ONS, ONTO, OPEN, REIN, RIOT, ROUE,