tpg tpn tpo tpp tpr tpt tpu tra trc tre trg trn tro trp trr trt tru try tta ttc tte ttg ttn tto ttp ttr ttt ttu tty tua tuc tue tug tun tuo tup tur tut tuu tuy tya tyc tye tyg tyn tyo typ tyr tyt ua- uaa uac uae uag uan uao uap uar uat uau uay uca ucc uce ucg ucn uco ucp ucr uct ucu uea uec uee ueg uen uep uer uet uey uga ugc uge ugg ugn ugo ugp ugr ugt ugu un- una unc une ung unn uno unp unr unt unu uny uoa uoc uoe uog uon uoo uop uor uot up- upa upc upe upg upn upo upp upr upt upu ur- ura urc ure urg urn uro urp urr urt uru ury uta utc ute utn uto utp utr utt utu uty uua uuc uue uug uun uur uut uuu uyc uyo uyu yaa yac yae yag yan yao yap yar yat yau yay yca ycc yce yco ycp ycu ycy yea yec yee yeg yen yeo yep yer yet yey yga ygc ygo yna yne yng ynn ynp ynu yny yoc yoe yog yon yoo yop yor yot you yoy ypa ypg ypo ypu yra yrc yre yrg yrn yro yrp yrt yru yta ytc yte ytn yto ytp ytr ytt ytu yua yue yug yun yuo yup yur yut yuu yuy yyc yye yyg yyt yyu yyy