recr rect reda redc redd rede redl redr reed reef reel reet refd refe reff refl refr reft rela reld rele rell relt rera rerd rere rert reta retd rete retr rett rfae rfef rffc rffl rftc rldt rlee rlef rrad rrat rred rrfc rrle rrrr rtca rtcc rtce rtdt rtee rtfc rtle rtlt taa- taaf taal taar taat taca tacc tace tacl tact tada tade taec tael taer tafa tafc tafe taff taft tala talc tale tall tara tarc tard tare tarf tarr tart tata tate tatr tatt tcad tcca tccc tcdd tcfc tctc tdac tdal tdff tdra teac tead teal tear teat teca tecl tecr tect teda tedd tede teec teed teef teel teer teet tefc teff tefl teft tel- tela telc teld tele tell telt ter- tera terc tere terf terr teta tete tetr tett tfae tfal tfca tfdc tfec tftc tlac tldr traa trac trad trae traf tral trat trca trcc trcl tre- trea trec tred tree tref tret trfc trfd trfr trra trtc trte trtr tter ttfa ttfc ttff tttt