10 A three-letter word and a one-letter abbreviation that between them represent a decade, with an extra E somewhere in the middle
12 A two-letter abbreviation for a sailor plus one-letter abbreviations for 'left' and 'wife', un-indicated O inside
22 A four-letter word for a weak-minded person ('[a] soft') reversed ('turning') and followed by an un-indicated A, the sponge more often being seen as a six-letter word with an H on the end