off- offc offe offh offo offr offu ofme ofor ofre ohcc ohee oher ohhi ohho ohif ohio ohme ohoh ohre ohum oici oier oiii oime oire oium ojeh ojeu omee omei omeo omer omic omie omim omio omo- omoe omoi omoo omor omre omri omro omuo oocr ooer ooff ooho ooij ooji oome oooh oooo oore orce orch orci orco ore- orec oreh orem oreo orer orfe orff orfi orfu orhe ori- oric orie orif orio orji orme ormo oro- oroe orof orom oror orri orro oruj orum oucc ouch ouer oufc oufe ouff ouie ouii ouir ouju oume oumi our- oure ouro ouu- rccc rcfc rchm rcic recc rece rech reci recm recr recu reef reem refe reff refi refr refu rehe rehi rehm reif reii reim reir reiu reme remi remo reof reou rere reri rero reru reue reuf reuu rfef rfem rffc rfic rhce rhcm rhee rhem rheo rhim rhio rhoc rhoh rhoj rhue rhum ricc rice rich rico rief riem rier rieu rife riff rifu riho riif rijf riji rijo rime rimi rimm rimo rimu riom riou rire riri riue rmif rmjm rocc roce roch roco roer rofc rofe roff rofo rohe rohm rohr rohu roif roio roir roiu roje roji rojo rome romi romm romo roof rooi room roor rorc rore rori roro roru roue rouf rouh roum rrfc rrif rrmc rrrr rrum ruce ruch ruci ruer rufc rufe ruff rufo ruhe ruhh ruhi ruhm ruhr ruif rujm rume rumi rumm rumo rurc rure ruri ruro ruru u-ie ucci uche uchi ucho ucio ucmc ucmj ucom ucrc ueir ufcu ufer uffe uher uhoh uhuh uirr ujfm umec umer umff ummo umoe umor umri uocc uofm uofo uomo uor- uore urch urci ure- ureh urfe urff urfi urho uric urie urif urim uriu urmi uro- urom uroo urre urrh urri urum urur uuoc uuri uuuu