Here's what rhymes with rb.
be t de d p pp b di g tea bee te je ti pea tee dd dy ji bb chih dee gee pee tiie he we me she see c sea v ve key tree pre thee ye fee knee ne si z li mi plea vii dc ni sie tlie wee xi xii xiii ci hee hie ki lee nee ri ry tc wi wie bc gi hae kb lea mea mee ny quay rupee shi shih thi whieh yi ze fea fie ghee lhe lii nae nie pari prix qi rhe rny sae sci shee tke xy zi twee artsy epee brie whee yippee three free qui ac flee cd fc fhe foresee glee lessee marquis ski xxi xxii xxiii db flea gli pc pg sd sibi sv tp xxxi alii apogee bailee bt donee dp jt marquee pd quis spree tb tv xxxii xxxiii goatee settee tepee bursae ranee suttee wormy saree teepee honoree topee whoopee puttee paltrier sultrier degree agree decree http cc mit trustee debris xvi xvii esprit exp mortgagee addressee grantee referee trainee xxvi xxvii appellee ftp legatee pensee repartee vendee xxxvi xxxvii amphorae queerly retiree scree undersea amputee banshee curie honeybee manatee parolee prithee aurorae emcee fusee gutsy monody returnee wannabe deportee draftee sudsy florae footsie sirree kedgeree tootsie wannabee guarantee nobody devotee nominee absentee guaranty jubilee oversee phonology quelque appointee bowsprit oversea abscissae bumblebee detainee potpourri attendee calliope escapee internee invitee quinsy conferee dungaree jamboree enlistee inductee guarani soignee wintrier shoetree disagree assignee licensee diastole tympani filigree franchisee timpani axletree chiropody abductee whiffletree maharanee bourgeoisie interviewee hyperbole transferee colossally singletree whippletree consignee idiosyncrasy