rcep rcet rcga rcgc rcpo rcpt rcrg rctc rctg rea- reac reae reao reap rear reat reca recc rece recp recr rect reep reet rega rege rego regr regt reog reop reot repe repo repp repr rept rera rere rerg rero rert reta rete reto retr rett rgtr roag roap roar roat roca rocc roce roco roea roeg roer roet roga roge rogg rogo roog roop roor root ropa rope ropo rora rorc rore roro rort rota rotc rote rotg roto rotr rott rpca rpet rpga rpoe rpta rrat rrrr rtca rtcc rtce rtcg rtee rtpa rttp taa- taag taar taat taca tacc tace taco tact taec taer taga tage tagg tago taoa taor tapa tape tapo tapp tapr tapt tara tarc tare targ taro tarp tarr tart tata tate tato tatr tatt tcap tcca tccc tcep tcga tcpa tcpo tctc teac tear teat teca teco tecr tect teec teer teet tega tegg tego tegt teor tepa tepe tepp ter- tera terc tere tero terp terr teta tete teto tetr tett tgcc tgtc toat toca toce toco toea toee toer toet toga toge togo togr togt tooa toor toot top- topa tope topo topp topt tora torc tore torg toro torp torr tort tota totc tote toto totr tott tpac tpap tpcp tpeg tper tppa tppp tppr tpte tptp tptr traa trac trae trag trao trap trat trca trcc tre- trea trec tree treg treo tret trge troa troc troe trog troo trop trot trpa trpc trpe trpg trpp trra trtc trte trtr ttcp tteo tter ttoe ttop tttt