prrs prsc prse prsl prso prss prtc prtp prtr prue prus prut pruu psco pscu psec psel psoc psol psos psou pspp pspr psps psrp pssc psse psso psst psts pstu ptcc ptcl pter ptol ptop pttc pu-e puce puel pueo puer puet pueu pule pull pulo pulp puls pult pulu pupe pupl pups pupu pur- pure purl puro purp purr purs puru puss pust put- pute puto puts putt putu puuc rccc rccs rcep rcet rcle rcls rcos rcpo rcps rcpt rcsc rcsl rcss rctc rcts recc rece recp recr recs rect recu reel reep rees reet rele rell relo relp rels relt reol reop reos reot reou repe repl repo repp repr reps rept repu rere rero rers rert reru rese reso resp ress rest rete reto retr rets rett reue reul reup reus reut reuu rlcs rlee rleu rlls rocc roce roco rocs roel roer roes roet role roll rolo rolp rolt rool roop roor roos root rope ropo rops rorc rore roro rort roru rosc rose roso rosp ross rost rotc rote rotl roto rotr rots rott roue roul roup rous rout rpcs rpet rpls rpoe rpos rpps rpts rrle rrrr rrsp rscc rscs rsee rslc rslp rsos rspo rsps rsre rssl rstp rsts rstu rtcc rtce rtee rtes rtle rtls rtlt rtps rtss rttp rtts ruce ruct ruel ruer rues ruet rule rull rulo rupe rupp rupt rurc rure ruro rurp rurs ruru ruse ruso russ rust rusu rute rutl ruto ruts rutt rutu s-os sccc scce sccl sccp sccs scct scec scee scel scep scer scet scl- sclc scls scol scoo scop scor scot scpe scpl scpo scps scpt scr- scrc scre scrs scsc scsl scso scsr scst scsu sctc sctl scto sctr scts scul scup scur scut se-c se-e se-o se-s se-t se-u sec- secc sece seco secr secs sect secu seec seel seep seer sees seet seeu sele sell selo sels selt selu seoc seol seop sepe sepo sepp sepr seps sept sepu serc sere sero serp serr sers sert seru sesc sese seso sess sest set- setc sete setl seto sets sett seul seur slcc slcu slee slep sler sles slet sllp sloc sloe sloo slop slos slot slpp slps slrc slre slrp slrs slsc slst slsu slts sluc slue slup slur slut soce socl soco socr socs soec soel soeo soep soes sole soll solo solp solr sols solt sool soop soor soos soot sope sopo sopp sops sopu sore soro sorr sors sort soru sose soso soss sost sotc sote sotl soto sotp sots sotu soue soul soup sour sous sout spcc spco spcs spec spee spel sper spes spet splc sple splo splp splr spls spoc spoo spop spor spos spot spps spro sprs spse spso spsp spss spst sptc spto sptr spts spue spur spus sput srcc srct srec sreo sres sros srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sslc ssle sslp sslt ssoc ssop ssot sspc sspe sspl sspo ssps sspt ssrc ssrl ssrs sssc ssss sstc sstl sstp ssts stcc stcp stcs stcu stec stee stel steo step ster stes stet stlc stle stlo stlt stoe stol stoo stop stor stos stot stou stpp stps strc stre stro strs stru stss sttc sttr stuc stue stul stup stur stus stut suc- succ sucr sucs suee suel suer sues suet sueu sul- sulc sule sull sulo sulp sult sulu suor suos sup- supe supo supp supr sups supt sur- surc sure suro surp surr surs surt suru sus- suse suso susp suss sust susu sute suto sutu suus tccc tccu tcep tcos tcpo tctc tcts tcul tecl teco tecr tecs tect teec teel teer tees teet tel- telc tele tell telo tels telt telu teor teos tepe tepp tepu ter- terc tere tero terp terr ters teru tesc tese tesl teso tesp tess test tete teto tetr tets tett tetu teut tlco tlos tlrs toce toco toee toer toes toet tol- tole toll tolo tolt tolu tool toor toos toot top- tope topo topp tops topt topu torc tore toro torp torr tors tort toru tosc tose toso toss tost tosu totc tote toto totr tots tott toul toup tour tous tout tpcp tpcs tper tpls tpol tppp tppr tprs tpsc tpte tptp tptr tput trcc trcl tre- trec tree treo tres tret treu troc troe troo trop tros trot trou trpc trpe trpp trps trst trtc trte trtr truc true trus trut truu tscc tscp tsec tses tset tsol tsop tsos tsou tspo tsps tspt tsse tssr tsst tstc tsts tsup ttcp tteo tter ttoe ttop ttss tttt ttul tucc tuco tuel tuer tues tuet tule tull tulo tulp tulu tuor tuos tupe tupo tups tupu turc ture turo turp turr turs turt turu tusc tuss tust tute tutl tuto tuts tutt tutu tuuo u-rp uccp ucel uces ucos ucrc ucsc ucst ucsu ucut uele uell uers uess ulcc ulco ulee uleo ules ulle ullo ullr ulo- uloc ulos ulto ults ultt ulul ulus uocc uolc uor- uore upcs uplo upor upos uppc uppe uppp uppu upsc upse uptl upto upup ure- ures uret urle urls uro- urol uroo urpo urre urse urso urss ursu urte urts urup urur urus urut uscc usce usco uscs usee usel user uses uset usle uslp uslu usoc usoe usos uspc uspo uspp usps ussc usse ussr usss usst ussu ustc uste usto ustp usts usul usus utec utel utep uter utes utor utsc utsl utto uttu uucp uulu uuoc uuuu