-er -ey -up eee eep eer eet eey ep- epe epp epr ept epu ere erp err ert eru ery ete etp etr ett etu ety eu- eue eup eur eut eye eyp eyr eyt p-p pee pep per pet peu pey ppe ppp ppr ppt ppu pre prp prr prt pru pry pt- pte ptp ptr ptt ptu pty pue pup pur put puu puy py- pye pyr pyt pyu re- ree rep rer ret reu rey rpe rpp rpr rpt rpu rrp rrr rrt rru rte rtp rtr rtt rtu rty rue rup rur rut ruu ruy ry- rye ryr ryu ryy te- tee tep ter tet teu tey tpe tpp tpr tpt tpu tre trp trr trt tru try tte ttp ttr ttt ttu tty tue tup tur tut tuu tuy tye typ tyr tyt uee uep uer uet uey up- upe upp upr upt upu ur- ure urp urr urt uru ury ute utp utr utt utu uty uue uur uut uuu uyu yee yep yer yet yey ypu yre yrp yrt yru yte ytp ytr ytt ytu yue yup yur yut yuu yuy yye yyt yyu yyy