Crossword clues for Insertion with a letter (Abbr.) 3 letters:AUSCountry whose name becomes another country name when two letters are inserted between its fifth and sixth letters: Abbr.ENCLetter insert: Abbr.ENCInsertion with a letter (Abbr.)TSPAbbr. that triples when a B is inserted after its first letterENCSLetter inserts: Abbr.
