tgcc tgtc tgts ticc tice tics tie- tiee tiei tien ties tiet tige tigi tigs tiit tiiu tinc tine ting tini tinn tins tint tinu tise tisi tiss tist titc tite titi tits titt titu tixt tncc tnes tnge tngs tnts tnut tscc tscg tsec tsen tses tset tsgt tsig tsin tsis tsix tsse tssg tssi tsst tstc tsts tsui tsun ttcn tten ttss tttt tucc tuei tuen tues tuet tugg tugs tugu tuig tuin tuis tuit tuiu tuix tunc tune tung tuni tunn tuns tunu tusc tusi tuss tust tute tuti tuts tutt tutu tuxs txcn txen txii u-ie ucci uces ucin ucsc ucst ucsu ucut uein uesn uess uext ugcc ugcg uggs uggt ugis ugne ugni uguu uies uige uint uise uist uits uncc unce uncg unci uncs unct unec unee unen unes ungu uni- unic unie unii unin unis unit unix unne unni unns uns- unsc unsg unst unte unts unus unut uscc usce uscg uscs usee usen uses uset usie usin usis usix usnc usnu ussc usse usss usst ussu ustc uste usti usts usui usun usus utec utes utin utis utne utsc utti uttu utug uuen uuni uusi uuuu uxue uxus xces xcii xcis xen- xene xeni xenn xenu xeus xexe xggi xics xiii xine xing xinu xisi xist xixi xnee xnet xsgi xsin xsun xtie xuxu xxii xxix xxxi xxxx