petr pett pgaa pgcc pgce pger pgrc pkan pkge pkna pnac pnar pnca pnea pnec pnet pnkp pnpp pnra pntr ppac ppan ppap ppar ppcc ppen pper ppga pppa pppn pppp pprc ppta pptn pptt prae prag pran prar prat prbc prca prcc prcp pre- preb prec pree preg prek pren prep pret prna prnp prtc prtp prtr ptab ptak ptca ptcc pten pter pttc pttk raab raag raak raan raat raba rabb rabe rabk rac- raca racc race rack ract raec raeg raen raep raer raga rage ragg raka rake rakk rakt rana ranc rane rang rank rann rant rapa rapc rape rapp rapt rara rarb rare rark rata rate ratk ratp ratt rbbb rbbr rcac rcbc rccb rccc rcep rcet rcga rcgc rcnr rcpt rcrg rctc rctg rea- reac reae reak rean reap rear reat reba rebb rebe rebk reca recc rece reck recp recr rect reeb reek reen reep reet rega rege regn regr regt reka reke rekt rena rene reng renk renn rent repe repp repr rept rera rere rerg rert reta rete retr rett rgan rgba rgbe rgtr rnag rnbr rncp rnnt rntp rpca rpet rpga rppn rpta rptn rrat rrna rrrr rtan rtca rtcc rtce rtcg rtee rtkg rtkn rtpa rttp taa- taag taan taar taat taba tabb tabc tabe taca tacc tace tack tact taec taen taer taga tage tagg taka take takk takt tana tane tang tank tann tant tapa tape tapp tapr tapt tara tarb tarc tare targ tark tarn tarp tarr tart tata tatb tate tatr tatt tbar tbca tbcb tbcc tbce tbrb tbta tbtp tcap tcca tccc tcep tcga tcnn tcpa tctc teac teak tean tear teat teba teca teck tecr tect teec teek teen teer teet tega tegg tegt teka teke tena tenb tenc tene teng tenk tenn tenp tent tepa tepe tepp ter- tera terc tere terk tern terp terr teta tete tetr tett tgcc tgtc tkac tkkg tnag tnbc tnca tncc tneb tnge tnpk tpac tpap tpbg tpck tpcp tpeg tper tpke tppa tppp tppr tpte tptp tptr traa trab trac trae trag trak tran trap trat trca trcc tre- trea trec tree treg trek tren tret trge trna trng trpa trpc trpe trpg trpn trpp trra trtc trte trtr ttab ttbb ttcn ttcp tten tter ttkg tttt