pres preu prle prlr prls prps prrs prsa prsc prse prsl prss prue prus pruu psac psap psas psca pscu psec psel pspp pspr psps psrp pssa pssc psse pu-e puar puas puca puce puel puer pueu pula pule pull pulp puls pulu pupa pupe pupl pups pupu pur- pura pure purl purp purr purs puru pusa puss puuc raas rac- raca racc race racs racu raec rael raep raer raes rala rale rall rapa rapc rape rapl rapp raps rara rare rars rasa rasc rase rasl rasp rass rasu raua rauc raue raul raup raus rcac rcas rccc rccs rcep rcle rcls rcps rcsa rcsc rcsl rcss rea- reac reae real reap rear reas reau reca recc rece recp recr recs recu reel reep rees rela rele rell relp rels repe repl repp repr reps repu rera rere rers reru resa rese resp ress reue reul reup reus reuu rlcs rlee rleu rlls rlua rpca rpcs rpls rpps rras rrle rrrr rrsp rsaa rscc rscs rsee rslc rslp rsps rsre rssa rssl rsua ruas ruca ruce ruel ruer rues rula rule rull rupa rupe rupp rura rurc rure rurp rurs ruru rusa ruse russ rusu sa-c saac saae saal saap saar saas saca sacc sace sacr sacs sacu sael saer saes sala salc sale sall salp sals salu sapa sape sapp saps sara sarc sare sarl sarp sarr sars saru sasa sasc sase sasl sass saua sauc saue saul saup saur saus scaa scac scal scap scar scas sccc scce sccl sccp sccs scea scec scee scel scep scer scl- sclc scls scpa scpe scpl scps scr- scra scrc scre scrs scsa scsc scsl scsr scsu scua scul scup scur se-c se-e se-s se-u seaa seac seal seap sear seas seau sec- seca secc sece secr secs secu seea seec seel seep seer sees seeu sela sele sell sels selu sepa sepe sepp sepr seps sepu sera serc sere serp serr sers seru sesa sesc sese sess seul seur slaa slac slae slap slas slau slcc slcu slea slee slep sler sles sllp slpp slps slrc slre slrp slrs slsa slsc slsu sluc slue slup slur sp-a spac spae spal spap spar spas spau spca spcc spcs spea spec spee spel sper spes spla splc sple splp splr spls spps sprs spsa spse spsp spss spue spur spus sras srcc srec sres srpc srps srsp ssaa ssac ssap ssas ssau ssca sscc ssce sscp sscs ssec ssee ssep sses ssla sslc ssle sslp sspa sspc sspe sspl ssps ssra ssrc ssrl ssrs sssa sssc ssss suar suas suc- succ sucr sucs suee suel suer sues sueu sul- sula sulc sule sull sulp sulu sup- supa supe supp supr sups sur- sura surc sure surp surr surs suru sus- susa suse susp suss susu suus u-rp uaca uaes uarc uars uaru uasa uasp uaua ucal ucar ucas ucca uccp ucea ucel uces ucla ucpa ucrc ucsa ucsc ucsu ucua uele uell uers uess ulaa ulae ular ulas ulcc ulea ulee ules ulla ulle ullr ulsa ulua ulul ulus upac upal upar upas upca upcs upla uppa uppc uppe uppp uppu upra upsa upsc upse upup urac ural urap uras urau urca ure- urea ures urla urle urls urra urre ursa urse urss ursu urup urur urus us-a usaa usac usal usap usar usas usca uscc usce uscs usea usee usel user uses usle uslp uslu uspa uspc uspp usps usra ussa ussc usse ussr usss ussu usua usul usus uucp uulu uuuu