peer pees peha pehe pehr pepa pepe peps per- pera perc pere perh perp perr pers pesa pese pess phah phar phbs phcc phe- phhs phpa phrr phrs phsc ppac ppap ppar ppcc ppcs pper pphs pppa pppp ppps pprc ppsh ppss prae prar pras prbc prbs prca prcc prcp prcs pre- preb prec pree prep pres prhs prps prrs prsa prsc prse prss psac psap psas psbr psca pseb psec psha pshc pshs psph pspp pspr psps psrp pssa pssc psse raab raas raba rabb rabe rabs rac- raca racc race rach racs raec raep raer raes raha rahe rahr rahs rapa rapc rape raph rapp raps rara rarb rare rars rasa rasc rase rash rasp rass rbbb rbbr rbbs rbhs rbsp rbss rcac rcas rcbc rccb rccc rccs rcep rchb rchs rcps rcsa rcsc rcss rea- reac reae reap rear reas reba rebb rebe rebs reca recc rece rech recp recr recs reeb reep rees reha rehb rehe rehs repe repp repr reps rera rere rers resa rese resh resp ress rhae rhap rhce rhcp rhea rheb rhee rhes rhhs rpca rpcs rphs rpps rrah rras rrhs rrrr rrsp rsaa rscc rsch rscs rsee rshs rspb rsps rsre rssa sa-c saab saac saae saah saap saar saas saba sabb sabc sabe sabr sabs saca sacc sace sacr sacs saeb saer saes saha sahe sahr sahs sapa sape sapp saps sara sarc sare sarh sarp sarr sars sasa sasc sase sash sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbhc sbhs sbsa sbse sbsp scaa scab scac scap scar scas scba sccc scce sccp sccs scea scec scee scep scer sch- scha sche schh schr schs scpa scpb scpe scps scr- scra scrc scre scrs scsa scsc scsh scsr se-c se-e se-h se-s seaa seab seac seah seap sear seas seba sebe sebs sec- seca secc sece sech secr secs seea seeb seec seeh seep seer sees sehe sehr sehs sepa sepe sepp sepr seps sera serb serc sere serp serr sers sesa sesc sese sesh sess shab shac shae shah shap shar shas shbs shca shcc shcp she- shea sheb shee sheh shep sher shes shha shhh shhs shps shre shrp shrs shsc sp-a spac spae spap spar spas spca spcc spcs spea speb spec spee sper spes sphr sphs spps sprs spsa spse spsp spss sras srbc srcc srch sreb srec sres srhs srpc srps srsp ssaa ssab ssac ssap ssas ssbr ssca sscc ssce sscp sscs ssec ssee ssep sses sshs sspa sspc sspe ssps ssra ssrc ssrs sssa sssb sssc sssh ssss