tri trn tro trp trr trt tru try tta ttb ttg tti ttn tto ttp ttr ttt ttu tty tua tub tug tui tun tuo tup tur tut tuu tuy tya tyg tyn tyo typ tyr tyt ua- uaa uab uag uai uan uao uap uar uat uau uay uba ubb ubg ubi ubn ubo ubp ubr ubt ubu uby uga ugb ugg ugi ugn ugo ugp ugr ugt ugu uia uib uig uii uin uio uip uir uit uiu un- una unb ung uni unn uno unp unr unt unu uny uoa uob uog uon uoo uop uor uot up- upa upb upg upi upn upo upp upr upt upu ur- ura urb urg uri urn uro urp urr urt uru ury uta utb uti utn uto utp utr utt utu uty uua uug uun uur uut uuu uyi uyo uyu yaa yab yag yai yan yao yap yar yat yau yay ybg ybi ybp ybr yby yga ygo yig yii yin yio yip yir yit yna yng ynn ynp ynu yny yob yog yoi yon yoo yop yor yot you yoy ypa ypg ypo ypu yra yrg yrn yro yrp yrt yru yta ytn yto ytp ytr ytt ytu yua yug yui yun yuo yup yur yut yuu yuy yyb yyg yyt yyu yyy