-ous mmmm mmms mmor mmpr mmpu mmrp mmsu mmus momo moms momu moop moor moos mopp mops moro mors moru moso moss mosu moup mour mous mppp mpps mpro mprp mrps msmm msms msmu msop msor mspp msrp mssm mssp mssr msus mumm mumo mump mums mumu muos mups muro murr murs muru muso muss musu omo- omoo omor omps omro omuo omus ooms oooo ooos oops oous opms opo- opor opos oppo opps opsm opsu opus ormo oro- orom oror oros orps orro orrs orso orsu orum orup orus osm- osmo osoo osor osos ospm osro osso ossu osum our- ouro ours ouu- pmmp pmmu pmos pmpm pmpo pmrs pomo pomp poms pomu poop poor poos pop- popo popp pops poro porr pors poso poss poum poup pour pous ppms ppos pppo pppp ppps pprm ppru ppss ppur pro- prom proo prop pros prou prps prrm prrs prso prss prum prus pruu psos psou pspp pspr psps psrp pssm psso pump pups pupu pur- puro purp purr purs puru puss rmrp rmsp romm romo romp roms room roop roor roos ropo rops roro roru roso rosp ross roum roup rous rpms rpos rpps rrmp rrrr rrsp rrum rsos rspo rsps rsum rumm rumo rump rums rupp ruro rurp rurs ruru ruso russ rusu s-os smos smps smsp smss smur smus somm somo soom soop soor soos sopo sopp sops sopu sorm soro sorr sors soru soso soss soum soup sour sous spms spoo spop spor spos spps sprm spro sprs spso spsp spss spur spus sros srps srsp ssop sspo ssps ssrm ssrs sssm ssss sum- sumo sump sums sumu suor suos sup- supo supp supr sups sur- suro surp surr surs suru sus- suso susp suss susu suum suus u-rp ummo umms umor umps umsp umsu umus uomo uor- upor upos uppp uppu upup uro- urom uroo urpo urso urss ursu urum urup urur urus usmm usmp usms usos uspo uspp usps ussr usss ussu usus uuuu