rtdt rtee rtei rttp tccc tcdd tcep tcpo tctc tdor tdri teco tecr tect tedd tede tedi teec teed teer teet teic teie teip teir teor tepe tepi tepp ter- terc tere teri tero terp terr tete teti teto tetr tett ticc tice tico tidc tidd tide tie- tied tiee tiei tieo tiep tier tiet tiit tiop tip- tipc tipe tipi tipo tipp tipt tird tire tiri tiro tirr titc tite titi tito titp titt toce toci toco todd tode todi todo todt toed toee toei toer toet toid toie toit tood toor toot top- topd tope topi topo topp topt torc tord tore tori toro torp torr tort totc totd tote toti toto totr tott tpcd tpcp tped tper tpir tppd tppp tppr tpte tptp tptr trcc tre- trec tred tree trei treo tret tri- tric trie trio trip trit troc trod troe troi troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttoe ttop tttt