-ous ffff ffrr ffss ffvs flom floo flor flos flou fluf flum fluo flur flus fmsr fmss fofo foll folo folr fols fomo foof fool foom foos for- forl form foro forr fors foso foss foul four fous fr-v frol from fros frou frsm frso frum fsfo fssf fuff fufu full fuls fulu fumo fums fuor fur- furl furm furo furr furs fuso fuss fusu fvsu lfmr llll llms lloo llvm lmfm lmmr lmms lmrs lmsr lo-v loff loll lolo lols lomm lomo loms lomu loof lool loom loor loos loro lors loso loss loul loum lour lous louu lovo lrrr lrsm ls-r lsof lsso lssr luff lufu lull lulu lumo lums lurs lurv luso luss luvs lvov lvrr lvsv mfor mfou mfrs mlrs mlss mlvm mmff mmlv mmmm mmms mmor mmrf mmsu mmus moff mofo mofu moll molo molr mols momo moms momu mool moor moos moov morf morl moro mors moru moso moss mosu mouf moul mour mous mrls mrml mrsl msff msfs msml msmm msms msmu msol msor mssf mssm mssr msus msvs muff mufu mull mulm mulo mulu mumm mumo mums mumu muos murl muro murr murs muru musl muso muss musu mvfs mvsl off- offo offr offs offu ofml ofor ofus olfs ollo olmo olms olof olom olor olos olov olur omo- omoo omor omov omro omul omuo omus ooff oofs oolo ooms oooo ooos oous orff orfs orfu orlo orlu ormo oro- orof orom oror oros orro orrs orso orsu orum orus orvr orvs oslo osm- osmo osoo osor osos osov osro osso ossu osul osum ouff ouls oulu our- ouro ours ouu- ovfl ovms ovo- ovol ovoo ovum rffl rlls rlml rlms rmll rmmv roff rofl rofo rolf roll rolm rolo romm romo roms roof rool room roor roos roro roru roso ross rouf roul roum rous rovo rovs rrrr rrum rsml rsmv rsos rssl rsum ruff rufo rull rulo ruml rumm rumo rums ruro rurs ruru ruso russ rusu ruvu s-os sfls sfmm sfor sfos sfro sfss sfsu sllm slmm sloo slos slrs slsu slum slur smls smof smol smos smrf smss smur smus sofo solf soll solo solr sols solv soml somm somo soof sool soom soor soos sorm soro sorr sors soru soso soss sosv souf soul soum sour sous sovo sovs sovu srlv sros srvl ssfl ssml ssrl ssrm ssrs sssf sssm ssss ssvm suf- suff sufr sufs sufu sul- sulf sull sulm sulo sulu sum- sumo sums sumu suor suos sur- surf suro surr surs suru surv sus- suso suss susu suum suus suvs svor ufms ufos ullo ullr ulmo ulmu ulo- ulos ulul ulum ulus umff ummo umms umol umor umsu umus uofl uofm uofo uoml uomo uor- uovo urff urls uro- urol urom uroo urso urss ursu urum urur urus usfl usfs uslu usmm usms usos usov ussf ussr usss ussu usul usus uulu uuuu uvvu vflo vfor vlfs vlos vmos voff vofr volf voll volm volo vols voms vool voom voor vor- vorm voro vors voru voso voss vosu voul vour vous vrml vrms vsfs vsmu vssl vulf vull vvvv