rope ropo rorc rore roro rort rotc rote rotj rotn roto rotr rott rpdp rpet rpoe rpon rppn rptd rptn rred rrrr rtcc rtce rtdt rtee rtnd rttp tccc tcdd tcep tcnn tcon tcpo tctc tdor teco tecr tect tedd tede teec teed teej teen teer teet tejn tejo tenc tend tene tenn teno tenp tent teon teor tepe tepp ter- terc tere terj tern tero terp terr tete teto tetr tett tncc tndd toce toco todd tode todo todt toed toee toen toer toet tojo tone tonj tonn tono tood toon toor toot top- topd tope topo topp topt torc tord tore torn toro torp torr tort totc totd tote toto totr tott tpcd tpcp tped tper tpon tppd tppp tppr tpte tptp tptr trcc tre- trec tred tree tren treo tret trno troc trod troe tron troo trop trot trpc trpe trpn trpp trtc trte trtr ttcn ttcp tten tteo tter ttoe tton ttop tttt