krpr krps krrb krrc krre krrk krrr krrs krsa krsc krse krsk krsr krss ksab ksac ksak ksar ksas ksba ksbc ksbp ksbr ksbs ksca kscb ksce ksck kscr kscs ksea ksec ksee ksek ksep kser kska kskb kske kskk kskr ksks kspa kspb kspc kspe kspk kspr ksps ksra ksrb ksrp ksrr ksrs kssa ksse kssr ksss paak paap paar paas paba paca pace pack pacs paea paec paep paer paes paka pake paks papa papb pape papp papr paps par- para parc pare park parp parr pars pasa pasc pase pask pasp pass pbac pbar pbcc pbpa pbpk pbrs pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcer pcks pcpb pcpp pcps pcra pcrc pcre pcsa pcse peab peac peak peap pear peas peba peca pece peck pecr pecs peec peek peep peer pees peka peke pekk pepa pepe peps per- pera perc pere perk perp perr pers pesa pese pess pkcs ppac ppap ppar ppcc ppcs pper pppa pppp ppps pprc ppss prae prar pras prbc prbs prca prcc prcp prcs pre- preb prec pree prek prep pres prps prrs prsa prsc prse prss psac psap psas psbr psca pseb psec pspp pspr psps psrk psrp pssa pssc psse raab raak raas raba rabb rabe rabk rabs rac- raca racc race rack racs raec raep raer raes raka rake rakk rapa rapc rape rapp raps rara rarb rare rark rars rasa rasc rase rask rasp rass rbbb rbbr rbbs rbsp rbss rcac rcas rcbc rccb rccc rccs rcep rcps rcsa rcsc rcss rea- reac reae reak reap rear reas reba rebb rebe rebk rebs reca recc rece reck recp recr recs reeb reek reep rees reka reke reks repe repp repr reps rera rere rers resa rese resp ress rkss rpca rpcs rpps rras rrrr rrsp rsaa rscc rscs rsee rspb rspk rsps rsre rssa sa-c saab saac saae saak saap saar saas saba sabb sabc sabe sabr sabs saca sacc sace sack sacr sacs saeb saek saer saes saka sakb sake sakk saks sapa sape sapp saps sara sarc sare sark sarp sarr sars sasa sasc sase sask sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbrk sbsa sbse sbsp scaa scab scac scak scap scar scas scba sccc scce sccp sccs scea scec scee scep scer sck- scpa scpb scpe scps scr- scra scrc scre scrs scsa scsc scsr se-c se-e se-k se-s seaa seab seac seak seap sear seas seba sebe sebs sec- seca secc sece seck secr secs seea seeb seec seek seep seer sees seka seke sekk sepa sepe sepp sepr seps sera serb serc sere serk serp serr sers sesa sesc sese sess skab skac skap skar skee skep sker skes skpc skra skss sp-a spac spae spak spap spar spas spca spcc spcs spea speb spec spee spek sper spes spke spkr spps sprs spsa spse spsp spss sras srbc srcc sreb srec sres srpc srps srsp ssaa ssab ssac ssap ssas ssbr ssca sscc ssce sscp sscs ssec ssee ssep sses sspa sspc sspe ssps ssra ssrc ssrs sssa sssb sssc ssss