tiss tist tita titc tite titi tits titt tixt tlac tlli tlrs tltx traa trac trae trai tral tras trat trax trca trcc trcl tre- trea trec tree trei tres tret trex tri- tria tric trie tril tris trit trix trra trsi trst trtc trte trtr tsaa tsai tsal tsar tsat tsca tscc tsec tses tset tsia tsis tsix tssa tsse tssi tssr tsst tstc tsts tter ttss tttt txaa txii txtr xaar xace xacl xact xait xala xall xara xare xate xats xcal xcas xcat xcel xces xcii xcis xcri xeer xela xer- xera xers xert xexe xica xics xiii xil- xili xill xisi xist xita xixi xlet xlii xlix xsel xsil xslt xtal xtar xtea xtie xtra xtsr xxii xxix xxxi xxxx