rata rate ratf ratt rcac rcaf rccc rcdc rcde rcet rcfc rcnr rcrd rctc rdac rder rdfa rdna rea- reac read reae reaf rean rear reat reca recc recd rece recr rect reda redc redd rede redr reed reef reen reet refd refe reff refn refr reft rena rend rene renn rent rera rerd rere rert reta retd rete retr rett rfae rfef rffc rftc rnaf rndc rndf rnnt rntd rrad rrat rred rrfc rrna rrrr rtan rtca rtcc rtce rtdt rtee rtfc rtnd taa- taaf taan taar taat taca tacc tace tact tada tade taec taen taer tafa tafc tafe taff taft tana tand tane tann tant tara tarc tard tare tarf tarn tarr tart tata tate tatr tatt tcad tcca tccc tcdd tcfc tcnn tctc tdac tdff tdna tdra teac tead tean tear teat teca tecr tect teda tedd tede teec teed teef teen teer teet tefc teff teft tena tenc tend tene tenn tent ter- tera terc tere terf tern terr teta tete tetr tett tfae tfca tfdc tfec tftc tnca tncc tndd tndf tnef tnfc traa trac trad trae traf tran trat trca trcc tre- trea trec tred tree tref tren tret trfc trfd trfr trna trra trtc trte trtr ttcn tten tter ttfa ttfc ttff ttfn tttt