rcac rcaf rccc rcet rcfc rcga rcgc rcic rcrg rctc rctg rcti rea- reac reae reaf rear reat reca recc rece reci recr rect reef reet refe reff refg refi refr reft rega rege regi regr regt reia reif reii reir reit rera rere rerg reri rert reta rete reti retr rett rfae rfef rffc rfic rftc rgit rgtr riaa riai riat rica ricc rice rict rief rier riet rifa rife riff rift riga rige rigg rigi riia riif rire riri rita rite riti ritt rrat rrfc rrif rrrr rtai rtca rtcc rtce rtcg rtee rtei rtfc taa- taaf taag taar taat taca tacc tace taci tact taec taer tafa tafc tafe taff tafi taft taga tage tagg tagi taia taig tair tait tara tarc tare tarf targ tari tarr tart tata tate tati tatr tatt tcca tccc tcfc tcfg tcga tctc teac tear teat teca tecr tect teec teef teer teet tefc teff tefi teft tega tegg tegi tegt teia teic teie teir ter- tera terc tere terf teri terr teta tete teti tetr tett tfae tfca tfec tftc tgcc tgfa tgif tgtc tiaa tiaf tiar tica ticc tice tie- tiea tiee tief tiei tier tiet tifa tiff tift tiga tige tigi tigr tiit tira tire tiri tirr tita titc tite titi titt traa trac trae traf trag trai trat trca trcc tre- trea trec tree tref treg trei tret trfc trfr trge tri- tria tric trie trif trig trit trra trtc trte trtr tter ttfa ttfc ttff tttt