tro trp trr trs trt tru try tsa tsc tsg tsh tso tsp tsr tss tst tsu tsy tta ttc ttg tth tto ttp ttr tts ttt ttu tty tua tuc tug tuh tuo tup tur tus tut tuu tuy tya tyc tyg tyo typ tyr tys tyt ua- uaa uac uag uah uao uap uar uas uat uau uay uca ucc ucg uch uco ucp ucr ucs uct ucu uga ugc ugg ugh ugo ugp ugr ugs ugt ugu uha uhc uhh uho uhp uhr uhs uht uhu uhy uoa uoc uog uoo uop uor uos uot up- upa upc upg uph upo upp upr ups upt upu ur- ura urc urg uro urp urr urs urt uru ury usa usc usg ush uso usp usr uss ust usu uta utc uth uto utp utr uts utt utu uty uua uuc uug uur uus uut uuu uyc uyo uys uyu yaa yac yag yah yao yap yar yas yat yau yay yca ycc ych yco ycp ycs ycu ycy yga ygc ygo yha yhc yhs yht yhu yoc yog yoo yop yor yos yot you yoy ypa ypg ypo yps ypu yra yrc yrg yro yrp yrs yrt yru ysa ysc ysg yso ysp ysr yss yst ysu ysy yta ytc yth yto ytp ytr yts ytt ytu yua yug yuh yuo yup yur yus yut yuu yuy yyc yyg yys yyt yyu yyy