rctc rdac rdap rder rdfa rdpc rea- reac read reae reaf reap rear reat reca recc recd rece recp recr rect reda redc redd rede redr reed reef reep reet refd refe reff refr reft repe repp repr rept rera rerd rere rert reta retd rete retr rett rfae rfef rffc rftc rpca rpdp rpet rpfc rpta rptd rrad rrat rred rrfc rrrr rtca rtcc rtce rtdt rtee rtfc rtpa rttp taa- taaf taar taat taca tacc tace tact tada tade taec taer tafa tafc tafe taff taft tapa tape tapp tapr tapt tara tarc tard tare tarf tarp tarr tart tata tate tatr tatt tcad tcap tcca tccc tcdd tcep tcfc tcpa tctc tdac tdap tdff tdra teac tead tear teat teca tecr tect teda tedd tede teec teed teef teer teet tefc teff teft tepa tepe tepp ter- tera terc tere terf terp terr teta tete tetr tett tfae tfca tfdc tfec tfpt tftc tftp tpac tpap tpcd tpcp tpdf tped tper tppa tppd tppp tppr tpte tptp tptr traa trac trad trae traf trap trat trca trcc tre- trea trec tred tree tref tret trfc trfd trfr trpa trpc trpe trpp trra trtc trte trtr ttcp tter ttfa ttfc ttff tttt