tpb tpe tpi tpn tpo tpp tpr tpt tpu tra trb tre tri trn tro trp trr trt tru try tta ttb tte tti ttn tto ttp ttr ttt ttu tty tua tub tue tui tun tuo tup tur tut tuu tuy tya tye tyn tyo typ tyr tyt ua- uaa uab uae uai uan uao uap uar uat uau uay uba ubb ube ubi ubn ubo ubp ubr ubt ubu uby uea ueb uee uei uen uep uer uet uey uia uib uie uii uin uio uip uir uit uiu un- una unb une uni unn uno unp unr unt unu uny uoa uob uoe uon uoo uop uor uot up- upa upb upe upi upn upo upp upr upt upu ur- ura urb ure uri urn uro urp urr urt uru ury uta utb ute uti utn uto utp utr utt utu uty uua uue uun uur uut uuu uyi uyo uyu yaa yab yae yai yan yao yap yar yat yau yay ybe ybi ybp ybr yby yea yeb yee yei yen yeo yep yer yet yey yie yii yin yio yip yir yit yna yne ynn ynp ynu yny yob yoe yoi yon yoo yop yor yot you yoy ypa ypo ypu yra yre yrn yro yrp yrt yru yta yte ytn yto ytp ytr ytt ytu yua yue yui yun yuo yup yur yut yuu yuy yyb yye yyt yyu yyy