tien tier ties tiet tiit tina tinc tine tini tinn tins tint tira tire tiri tirr tirs tisa tise tisi tiss tist tita titc tite titi tits titt tixt tnca tncc tnes tnts traa trac trae trai tran tras trat trax trca trcc tre- trea trec tree trei tren tres tret trex tri- tria tric trie trin tris trit trix trna trra trsi trst trtc trte trtr tsaa tsai tsar tsat tsca tscc tsec tsen tses tset tsia tsin tsis tsix tsna tssa tsse tssi tssr tsst tstc tsts ttcn tten tter ttss tttt txaa txcn txen txii txtr xaar xace xact xait xana xara xare xate xats xcas xcat xces xcii xcis xcri xeer xen- xena xene xeni xenn xer- xera xers xert xexe xian xica xics xiii xine xisi xist xita xixi xnee xnet xsan xsin xtar xtea xtie xtra xtsr xxii xxix xxxi xxxx