-er -ey -up eee eef eep eer eet eey ef- efe eff efp efr eft ep- epe epf epp epr ept epu ere erf erp err ert eru ery ete etf etp etr ett etu ety eu- eue euf eup eur eut eye eyp eyr eyt fee fef fep fer fet feu fey ffe fff ffp ffr fft ffu ffy fpe fpp fpr fpt fpu fpy fre frf frp frr frt fru fry fte ftf ftp ftr ftt ftu fty fue fuf fup fur fut fuu fy- fye fyp p-p pee pef pep per pet peu pey pfe pff pfp pfr pft pfu pfy ppe ppf ppp ppr ppt ppu pre prf prp prr prt pru pry pt- pte ptf ptp ptr ptt ptu pty pue puf pup pur put puu puy py- pye pyf pyr pyt pyu re- ree ref rep rer ret reu rey rfe rff rfp rfr rft rfu rpe rpf rpp rpr rpt rpu rrf rrp rrr rrt rru rte rtf rtp rtr rtt rtu rty rue ruf rup rur rut ruu ruy ry- rye ryf ryr ryu ryy te- tee tef tep ter tet teu tey tfe tff tfp tfr tft tfu tpe tpf tpp tpr tpt tpu tre trf trp trr trt tru try tte ttf ttp ttr ttt ttu tty tue tuf tup tur tut tuu tuy tye tyf typ tyr tyt uee uef uep uer uet uey ufe uff ufp ufr uft ufu up- upe upf upp upr upt upu ur- ure urf urp urr urt uru ury ute utf utp utr utt utu uty uue uur uut uuu uyu yee yef yep yer yet yey yfe yff yfr yft yfu ypf ypu yre yrf yrp yrt yru yte ytf ytp ytr ytt ytu yue yup yur yut yuu yuy yye yyf yyt yyu yyy