tto ttr ttt ttu tty tuc tue tug tui tum tun tuo tur tut tuu tuy tyc tye tyg tym tyn tyo tyr tyt ucc uce ucg uci ucm ucn uco ucr uct ucu uec uee ueg uei uem uen uer uet uey ugc uge ugg ugi ugm ugn ugo ugr ugt ugu uic uie uig uii uim uin uio uir uit uiu um- umc ume umg umi umm umn umo umr umt umu un- unc une ung uni unm unn uno unr unt unu uny uoc uoe uog uom uon uoo uor uot ur- urc ure urg uri urm urn uro urr urt uru ury utc ute uti utm utn uto utr utt utu uty uuc uue uug uum uun uur uut uuu uyc uyi uyo uyu ycc yce yci yco ycu ycy yec yee yeg yei yem yen yeo yer yet yey ygc ygm ygo yie yig yii yim yin yio yir yit ymc yme ymg ymi ymm ymo ymt yne yng ynn ynu yny yoc yoe yog yoi yom yon yoo yor yot you yoy yrc yre yrg yrn yro yrt yru ytc yte ytm ytn yto ytr ytt ytu yue yug yui yum yun yuo yur yut yuu yuy yyc yye yyg yyt yyu yyy