pcrf pcrl pcsa pcse peac peal peap pear peas peca pece pecl pecr pecs peec peel peep peer pees pefc peff pefs pel- pela pele pelf pell pels pepa pepe peps per- pera perc pere perf perl perp perr pers pesa pese pess pfaa pfas pfce pfcs pfff pffr pfps pfra plaa plac plaf plap plar plas plcc plce ple- plea plec plee ples plfa plff plpa plpp plra plss ppac ppal ppap ppar ppcc ppcs pper ppfa pple pppa pppp ppps pprc pprf ppsf ppss prae prar pras prca prcc prcf prcp prcs pre- prec pree pref prel prep pres prfc prfs prle prlr prls prps prrs prsa prsc prse prsl prss psac psap psas psca psec psel psfs pspp pspr psps psrp pssa pssc psse raaf raas rac- raca racc race racs raec raef rael raep raer raes rafa rafc rafe raff rala rale ralf rall rapa rapc rape rapl rapp raps rara rare rarf rars rasa rasc rase rasl rasp rass rcac rcaf rcas rccc rccs rcep rcfc rcle rcls rcps rcsa rcsc rcsl rcss rea- reac reae reaf real reap rear reas reca recc rece recp recr recs reef reel reep rees refe reff refl refr refs rela rele rell relp rels repe repl repp repr reps rera rere rers resa rese resp ress rfae rfef rffc rffl rlcs rlee rlef rlls rpca rpcs rpfc rpls rpps rras rrfc rrle rrrr rrsp rsaa rsaf rscc rscs rsee rsfc rslc rslp rsps rsre rssa rssl sa-c saac saae saaf saal saap saar saas saca sacc sace sacr sacs sael saer saes safa safc safe saff safr sala salc sale salf sall salp sals sapa sape sapp saps sara sarc sare sarf sarl sarp sarr sars sasa sasc sase sasf sasl sass scaa scac scaf scal scap scar scas sccc scce sccl sccp sccs scea scec scee scel scep scer scfa scfc scfe scl- sclc scls scpa scpe scpl scps scr- scra scrc scre scrs scsa scsc scsl scsr se-c se-e se-f se-s seaa seac seaf seal seap sear seas sec- seca secc sece secr secs seea seec seef seel seep seer sees sefa seff sefl sela sele self sell sels sepa sepe sepp sepr seps sera serc sere serf serp serr sers sesa sesc sese sess sfar sfas sfca sfcc sfcs sfer sffc sfla sflc sfls sfpa sfpc sfra sfrc sfss slaa slac slae slaf slap slas slcc slea slee slep sler sles sllp slpp slps slrc slre slrp slrs slsa slsc sp-a spac spae spal spap spar spas spca spcc spcs spea spec spee spef spel sper spes spfc spfs spla splc sple splp splr spls sppf spps sprs spsa spse spsp spss sraf sras srcc srec sres srfc srpc srps srsp ssaa ssac ssap ssas ssca sscc ssce sscp sscs ssec ssee ssep sses ssfc ssfl ssfp ssla sslc ssle sslp sspa sspc sspe sspf sspl ssps ssra ssrc ssrl ssrs sssa sssc sssf ssss