-ous ffff ffps ffss fftf fmss fofo fomo fomp fomt foof foom foos foot fopp fops foso foss fost fotm foto fotp fots fott foup fous fout fsfo fspf fssf fssp ftop ftos ftps fuff fufu fumo fums fuso fuss fust fusu futo futs futu mfou mfps mftf mmff mmmm mmms mmpu mmst mmsu mmts mmus moff mofo mofu momo moms momu moop moos moot mopp mops moso moss most mosu motm moto mots mott motu mouf moup mous mout mpfs mppf mppp mpps mpst mptp msff msfs msft msmm msms msmu msop mspp mssf mssm mssp msst mstp msts msus mtff mtom mtss mtst mtts muff mufu mumm mumo mump mums mumu muos mups muso muss must musu muto muts mutt mutu muut off- offo offs offu ofst oftp ofus omo- omoo omps ompt omuo omus ooff oofs ooms oooo ooos oops oost ootp oots oous opms opo- opos oppo opps opsm opsu opto opts opus osm- osmo osoo osos ospm osso ossu osts osum otfp oto- otof otoo otos otpp otso otsu otto otts ottu otus ouff oust out- outo outs ouu- pfff pfft pfps pmmp pmmu pmos pmpm pmpo pmsf pmts pmut poff pomo pomp poms pomu poof poop poos poot pop- popo popp pops popt poso poss post potf poto pots pott potu pouf poum poup pous pout ppms ppos pppo pppp ppps ppsf ppss ppts pptt psfs psos psou pspp psps pssm psso psst psts pstu ptmp ptms ptop puff puft pump pups pupu puss pust put- puto puts putt putu s-os sfmm sfos sfss sfsu sftp sfts smof smos smot smps smsp smss smtp smtu smus smut sofo soft somm somo soof soom soop soos soot sopo sopp sops sopu soso soss sost sotm soto sotp sots sotu souf soum soup sous sout spfs spms spmt spoo spop spos spot sppf spps spso spsp spss spst spto spts spus sput ssfp ssop ssot sspf sspo ssps sspt sssf sssm ssss sstp ssts stfu stmp stms stmt stof stom stoo stop stos stot stou stpf stpp stps stsf stsm stss stuf stum stup stus stut suf- suff sufs sufu sum- sumo sump sums sumu suos sup- supo supp sups supt sus- suso susp suss sust susu suto sutu suum suus t-mo tfot tfpt tfss tftp tmos tmou tmps tmsp tmtt toff tofo toft tofu tomm tomo tomp toms tomt toof toom toos toot top- topf topo topp tops topt topu toso toss tost tosu totm toto tots tott toum toup tous tout tpms tpmt tppp tptp tput tsfm tsmp tsom tsop tsos tsou tspo tsps tspt tssf tssm tsst tstm tsts tsum tsup ttff ttms ttop ttss tttt tuff tufm tufo tuft tufu tump tums tumu tuos tupo tups tupu tusm tuss tust tuto tuts tutt tutu tuum tuuo ufms ufos uftp umff ummo umms umps umsp umsu umts umus umut uofm uofo uomo upos uppp uppu upto upup usfs usmm usmp usms usos uspo uspp usps ussf usss usst ussu ustm usto ustp usts usus utfo utmp utto uttu uutf uuuu