prlr prtc prtp prtr ptaf ptal ptca ptcc ptcl pter ptrf pttc raaf raat rac- raca racc race ract raec raef rael raep raer rafa rafc rafe raff raft rala rale ralf rall ralt rapa rapc rape rapl rapp rapt rara rare rarf rata rate ratf ratp ratt rcac rcaf rccc rcep rcet rcfc rcle rcpt rctc rea- reac reae reaf real reap rear reat reca recc rece recp recr rect reef reel reep reet refe reff refl refr reft rela rele rell relp relt repe repl repp repr rept rera rere rert reta rete retr rett rfae rfef rffc rffl rftc rlee rlef rpca rpet rpfc rpta rrat rrfc rrle rrrr rtca rtcc rtce rtee rtfc rtle rtlt rtpa rttp taa- taaf taal taar taat taca tacc tace tacl tact taec tael taer tafa tafc tafe taff taft tala talc tale tall tapa tape tapp tapr tapt tara tarc tare tarf tarp tarr tart tata tate tatr tatt tcap tcca tccc tcep tcfc tcpa tctc teac teal tear teat teca tecl tecr tect teec teef teel teer teet tefc teff tefl teft tel- tela telc tele tell telt tepa tepe tepp ter- tera terc tere terf terp terr teta tete tetr tett tfae tfal tfca tfec tfpt tftc tftp tlac tlpa tpac tpap tpcp tper tppa tppp tppr tpte tptp tptr traa trac trae traf tral trap trat trca trcc trcl tre- trea trec tree tref tret trfc trfr trpa trpc trpe trpp trra trtc trte trtr ttcp tter ttfa ttfc ttff tttt