pppa pppp ppps pprc pprf ppsf ppsh ppss prae prar pras prca prcc prcf prcp prcs pre- prec pree pref prep pres prfc prfs prhs prps prrs prsa prsc prse prss psac psap psas psca psec psfs psha pshc pshs psph pspp pspr psps psrp pssa pssc psse raaf raas rac- raca racc race rach racs raec raef raep raer raes rafa rafc rafe raff raha rahe rahr rahs rapa rapc rape raph rapp raps rara rare rarf rars rasa rasc rase rash rasp rass rcac rcaf rcas rccc rccs rcep rcfc rchs rcps rcsa rcsc rcss rea- reac reae reaf reap rear reas reca recc rece rech recp recr recs reef reep rees refe reff refr refs reha rehe rehs repe repp repr reps rera rere rers resa rese resh resp ress rfae rfef rffc rfhs rhae rhap rhce rhcp rhea rhee rhes rhfs rhhs rpca rpcs rpfc rphs rpps rrah rras rrfc rrhs rrrr rrsp rsaa rsaf rscc rsch rscs rsee rsfc rshs rsps rsre rssa sa-c saac saae saaf saah saap saar saas saca sacc sace sacr sacs saer saes safa safc safe saff safr saha sahe sahr sahs sapa sape sapp saps sara sarc sare sarf sarh sarp sarr sars sasa sasc sase sasf sash sass scaa scac scaf scap scar scas sccc scce sccp sccs scea scec scee scep scer scfa scfc scfe sch- scha sche schh schr schs scpa scpe scps scr- scra scrc scre scrs scsa scsc scsh scsr se-c se-e se-f se-h se-s seaa seac seaf seah seap sear seas sec- seca secc sece sech secr secs seea seec seef seeh seep seer sees sefa seff sehe sehr sehs sepa sepe sepp sepr seps sera serc sere serf serp serr sers sesa sesc sese sesh sess sfar sfas sfca sfcc sfcs sfer sffc sfha sfhs sfpa sfpc sfra sfrc sfss shac shae shah shap shar shas shca shcc shcp she- shea shee shef sheh shep sher shes shha shhh shhs shps shre shrp shrs shsc sp-a spac spae spap spar spas spca spcc spcs spea spec spee spef sper spes spfc spfs sphr sphs sppf spps sprs spsa spse spsp spss sraf sras srcc srch srec sres srfc srhs srpc srps srsp ssaa ssac ssap ssas ssca sscc ssce sscp sscs ssec ssee ssep sses ssfc ssfp sshs sspa sspc sspe sspf ssps ssra ssrc ssrs sssa sssc sssf sssh ssss