-ous ffff ffps ffss floo flop flos flou flow fluf fluo flus fofo foll folo fols foof fool foos fopp fops foso foss foul foup fous fowl fsfo fspf fssf fssp fuff fufu full fuls fulu fuso fuss fusu llll lloo llps loff loll lolo lols loof lool loop loos lopp lops lopu loso losp loss loul loup lous louu louw lowl lowp lows lowu loww lpfp lppl lpss lsfw lsof lspl lsso lssp luff lufu lull lulu lupo lupu luso luss luup luwo luwu lwoo lwow off- offo offs offu ofus olfs ollo olof olos ooff oofs oolo oooo ooos oops oous opls opo- opos oppo opps opsu opus oslo osoo osos osow osso ossu osul ouff ouls oulu ouu- owls owow owul pfff pfps plff ploo plop plos plou plow plpp plss plup plus poff poll polo pols polu poof pool poop poos pop- popo popp pops poso poss pouf poul poup pous pouw powl powp pows pplo ppos pppo pppp ppps ppsf ppss psfs psol psos psou pspp psps psso puff pull pulo pulp puls pulu pupl pups pupu puss pwll s-os sfls sfos sfss sfsu sfwu sllp sloo slop slos slow slpp slps slsu slup sofo solf soll solo solp sols soof sool soop soos sopo sopp sops sopu soso soss souf soul soup sous sowf sowl sowp sows spfs splo splp spls spoo spop spos sppf spps spso spsp spss spus ssfl ssfp sslp ssop sspf sspl sspo ssps sssf ssss ssws suf- suff sufs sufu sul- sulf sull sulo sulp sulu suos sup- supo supp sups sus- suso susp suss susu suus suwu swfu swoo swop swow swpl swss ufos ullo ulo- ulos ulow ulul ulus uofl uofo uofw uplo upos uppp uppu upup usfl usfs uslp uslu usos uspo uspp usps ussf usss ussu usul usus uulu uuuu uwsp wfff wflf wfll wflo wfls wflw wfos wfpf wfpl wfps wfso wfsp wfss wfsu wful wfus wfwl wfwo wlff wlfl wlfp wlfs wlfw wllf wlll wllw wlof wlol wloo wlop wlos wlou wlpo wlps wlpw wlso wlsp wlss wlsu wlsw wlup wluw wlwf wlwl woff wofl wolf woll wolp wols wolw woof wool woop woos woow wopp wops wosf wosl woso wosp woss wosu wosw wouf woul woup wous wouw wowf wowl wowo wowp wows woww wpff wpfl wpfo wpfp wpfw wpll wplo wplp wplw wpol wpop wpow wppl wpsf wpsl wpso wpsp wpsu wpul wpup wsff wsfl wsfp wsfs wsfw wsll wslo wslp wslu wslw wsof wsol wsoo wsop wsos wsou wspf wspl wspo wsps wssl wssp wsss wssu wssw wsuf wsul wsup wsus wsuw wsws wsww wuff wufl wufo wulf wull wuls wulu wupf wupl wups wupw wusf wusl wuso wusp wuss wusu wusw wuuf wuuu wuwf wwfl wwfp wwfw wwlf wwll wwlp wwls wwlu wwlw wwof wwol wwos wwow wwpl wwpw wwsf wwsl wwsp wwss wwsu wwuf wwus wwwl wwws wwww