tpc tpi tpl tpn tpp tpr tpt tpu tra trb trc tri trl trn trp trr trt tru try tta ttb ttc tti ttl ttn ttp ttr ttt ttu tty tua tub tuc tui tul tun tup tur tut tuu tuy tya tyc tyl tyn typ tyr tyt ua- uaa uab uac uai ual uan uap uar uat uau uay uba ubb ubc ubi ubl ubn ubp ubr ubt ubu uby uca ucb ucc uci ucl ucn ucp ucr uct ucu uia uib uic uii uil uin uip uir uit uiu ula ulb ulc uli ull uln ulp ulr ult ulu uly un- una unb unc uni unl unn unp unr unt unu uny up- upa upb upc upi upn upp upr upt upu ur- ura urb urc uri url urn urp urr urt uru ury uta utb utc uti utl utn utp utr utt utu uty uua uuc uun uur uut uuu uyc uyi uyu yaa yab yac yai yal yan yap yar yat yau yay ybc ybi ybl ybp ybr yby yca ycc yci ycl ycp ycu ycy yii yin yip yir yit ylc yli yll ylr ylt yly yna ynn ynp ynu yny ypa ypl ypu yra yrc yrn yrp yrt yru yta ytc ytl ytn ytp ytr ytt ytu yua yui yul yun yup yur yut yuu yuy yyb yyc yyt yyu yyy