-ous mmmm mmms mmor mmpr mmpu mmrp mmst mmsu mmts mmus momo moms momu moop moor moos moot mopp mops moro mors mort moru moso moss most mosu motm moto mots mott motu moup mour mous mout mppp mpps mpro mprp mpst mptp mrps mrtm mrts mrtt msmm msms msmu msop msor mspp msrp msrt mssm mssp mssr msst mstp mstr msts msus mtom mtor mtrr mtss mtst mttr mtts mumm mumo mump mums mumu muos mups muro murr murs murt muru muso muss must musu muto muts mutt mutu muut omo- omoo omor omps ompt omro omuo omus ooms oooo ooos oops oort oost ootp oots oous opms opo- opor opos oppo opps opsm opsu opto opts opus ormo oro- orom oror oros orot orps orro orrs orso orsu orto orts orum orup orus osm- osmo osoo osor osos ospm osro osso ossu ostr osts osum oto- otoo otor otos otpp otro otrs otso otsu otto otts ottu otur otus our- ouro ours ourt oust out- outo outs ouu- pmmp pmmu pmos pmpm pmpo pmrs pmrt pmts pmut pomo pomp poms pomu poop poor poos poot pop- popo popp pops popt poro porr pors port poso poss post poto pots pott potu poum poup pour pous pout ppms ppos pppo pppp ppps pprm ppru ppss ppts pptt ppur pro- prom proo prop pros prot prou prps prrm prrs prso prss prtm prtp prtr prum prus prut pruu psos psou pspp pspr psps psrp pssm psso psst psts pstu ptmp ptms ptop pump pups pupu pur- puro purp purr purs puru puss pust put- puto puts putt putu rmrp rmsp rmst rmtu romm romo romp roms room roop roor roos root ropo rops roro rort roru roso rosp ross rost roto rotr rots rott roum roup rous rout rpms rpos rpps rpts rrmp rrrr rrsp rrum rsos rspo rsps rstp rsts rstu rsum rtmp rtms rtps rtss rttp rtts rumm rumo rump rums rumt rupp rupt ruro rurp rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os smos smot smps smrt smsp smss smtp smtu smur smus smut somm somo soom soop soor soos soot sopo sopp sops sopu sorm soro sorr sors sort soru soso soss sost sotm soto sotp sots sotu soum soup sour sous sout spms spmt spoo spop spor spos spot spps sprm spro sprs spso spsp spss spst spto sptr spts spur spus sput sros srps srpt srsp srtp srtr ssop ssot sspo ssps sspt ssrm ssrs sssm ssss sstp ssts stmp stms stmt stom stoo stop stor stos stot stou stpp stps stro strs stru stsm stss sttr stum stup stur stus stut sum- sumo sump sums sumu suor suos sup- supo supp supr sups supt sur- suro surp surr surs surt suru sus- suso susp suss sust susu suto sutu suum suus t-mo tmos tmou tmps tmro tmsp tmtt tomm tomo tomp toms tomt toom toor toos toot top- topo topp tops topt topu torm toro torp torr tors tort toru toso toss tost tosu totm toto totr tots tott toum toup tour tous tout tpms tpmt tppp tppr tprs tptp tptr tput trms trmu trom troo trop tros trot trou trpm trpp trps trst trtr trus trut truu tsmp tsom tsop tsos tsou tspo tsps tspt tssm tssr tsst tstm tsts tsum tsup ttms ttop ttss tttt tump tums tumu tuor tuos tupo tups tupu turm turo turp turr turs turt turu tusm tuss tust tuto tuts tutt tutu tuum tuuo u-rp ummo umms umor umps umsp umsu umts umus umut uomo uor- upor upos uppp uppu upto upup uro- urom uroo urpo urso urss ursu urts urum urup urur urus urut usmm usmp usms usos uspo uspp usps ussr usss usst ussu ustm usto ustp usts usus utmp utor utto uttu uuuu