trl trn tro trr trt tru try tta ttc ttg tti ttl ttn tto ttr ttt ttu tty tua tuc tug tui tul tun tuo tur tut tuu tuy tya tyc tyg tyl tyn tyo tyr tyt ua- uaa uac uag uai ual uan uao uar uat uau uay uca ucc ucg uci ucl ucn uco ucr uct ucu uga ugc ugg ugi ugl ugn ugo ugr ugt ugu uia uic uig uii uil uin uio uir uit uiu ula ulc ulg uli ull uln ulo ulr ult ulu uly un- una unc ung uni unl unn uno unr unt unu uny uoa uoc uog uol uon uoo uor uot ur- ura urc urg uri url urn uro urr urt uru ury uta utc uti utl utn uto utr utt utu uty uua uuc uug uun uur uut uuu uyc uyi uyo uyu yaa yac yag yai yal yan yao yar yat yau yay yca ycc yci ycl yco ycu ycy yga ygc ygl ygo yig yii yin yio yir yit ylc ylg yli yll ylr ylt yly yna yng ynn ynu yny yoc yog yoi yol yon yoo yor yot you yoy yra yrc yrg yrn yro yrt yru yta ytc ytl ytn yto ytr ytt ytu yua yug yui yul yun yuo yur yut yuu yuy yyc yyg yyt yyu yyy