Oscar's Combos 2

OB = Old boy; OD = overdose; OE = Old English; OK = all right, meh etc.; OM = [1] Order of merit [2] Hindu sacred sound; ON = working; OP = [1] work (abbreviation of OPUS) [2] [surgical] procedure; OR = [1} gold (it's French for "gold") [2] Other Ranks/soldiers/men; OS = [1] outsize/oversize (i.e. very large) [2] Ordnance Survey; OT = occupational therapist If you like my crosswords, then you'll LOVE the Cryptic Mystic's YouTube channel, which is a brilliant resource for cryptic newbies and has been kind enough to feature a few of my puzzles https://www.youtube.com/@The_Cryptic_Mystic