ISI
3 letters
Historical clue formulations
- "It ___" (pompous arrival's declaration) — 2021-10-14
- "It ___" ("Who's there?" reply) — 2018-10-14
- "It ___" (formal acknowledgment) — 2012-07-17
- "Woe ___" (grammar guide) — 2011-07-10
- "Whatever it ___ don't care!" — 2011-03-10
- "It ___" (reply to "Who's there?") — 2010-04-06
- "Woe ___" (Patricia T. O'Conner best seller) — 2009-09-11
- See 117-Down — 2006-12-10
- "Woe ___" (humorous grammar book) — 2006-12-03
- "It ___" (reply to "Who's there?") — 2006-05-23
- "Woe ___" (classic book for "grammarphobes") — 2005-11-18
- "Woe ___" (best-selling grammar guide) — 2004-05-01
- "It ___; be not afraid" (words of Jesus): 2 wds. — 1999-06-06
- "It ___" (reply to "Who's there?") — 1996-10-13
