tnn tnr tnt tra trc tre trg tri trl trn trr trt tru try tta ttc tte ttg tti ttl ttn ttr ttt ttu tty tua tuc tue tug tui tul tun tur tut tuu tuy tya tyc tye tyg tyl tyn tyr tyt ua- uaa uac uae uag uai ual uan uar uat uau uay uca ucc uce ucg uci ucl ucn ucr uct ucu uea uec uee ueg uei uel uen uer uet uey uga ugc uge ugg ugi ugl ugn ugr ugt ugu uia uic uie uig uii uil uin uir uit uiu ula ulc ule ulg uli ull uln ulr ult ulu uly un- una unc une ung uni unl unn unr unt unu uny ur- ura urc ure urg uri url urn urr urt uru ury uta utc ute uti utl utn utr utt utu uty uua uuc uue uug uun uur uut uuu uyc uyi uyu yaa yac yae yag yai yal yan yar yat yau yay yca ycc yce yci ycl ycu ycy yea yec yee yeg yei yel yen yer yet yey yga ygc ygl yie yig yii yin yir yit ylc yle ylg yli yll ylr ylt yly yna yne yng ynn ynu yny yra yrc yre yrg yrn yrt yru yta ytc yte ytl ytn ytr ytt ytu yua yue yug yui yul yun yur yut yuu yuy yyc yye yyg yyt yyu yyy