reci recp recr rect reef reen reep reet refe reff refg refi refn refr reft rege regi regn regr regt reif reii rein reir reit rene reng reni renn rent repe repi repp repr rept rere rerg reri rert rete reti retr rett rfef rffc rfic rftc rgit rgtr ricc rice rict rief rien riep rier riet rife riff rift rige rigg rigi riif riin rine rinf ring rinn ripe ripi ripp ripr ript rire riri rite riti ritt rncp rnie rnin rnnt rntp rpet rpfc rpii rppn rptn rrfc rrif rrrr rtcc rtce rtcg rtee rtei rtfc rttp tccc tcep tcfc tcfg tcnn tctc tecr tect teec teef teen teer teet tefc teff tefi teft tegg tegi tegt teic teie tein teip teir tenc tene teng teni tenn tenp tent tepe tepi tepp ter- terc tere terf teri tern terp terr tete teti tetr tett tfec tfin tfnp tfpt tftc tftp tgcc tgif tgtc ticc tice tie- tiee tief tiei tien tiep tier tiet tiff tift tige tigi tigr tiit tinc tine ting tini tinn tint tip- tipc tipe tipi tipp tipt tire tiri tirr titc tite titi titp titt tncc tnef tnfc tnge tpcp tpeg tper tpir tppp tppr tpte tptp tptr trcc tre- trec tree tref treg trei tren tret trfc trfr trge tri- tric trie trif trig trin trip trit trng trpc trpe trpg trpn trpp trtc trte trtr ttcn ttcp tten tter ttfc ttff ttfn tttt