-er -ey -up eee een eep eer eey en- ene enn enp enr enu eny ep- epe epn epp epr epu ere ern erp err eru ery eu- eue eun eup eur eye eyn eyp eyr ne- nee nen nep ner neu ney nne nnn nnp nnu npe npn npp npr npu nre nrn nrp nrr nru nry nue nun nup nur nuu nuy nye nyn nyp nyu nyy p-p pee pen pep per peu pey pn- pne pnn pnp pnr pnu pny ppe ppn ppp ppr ppu pre prn prp prr pru pry pue pun pup pur puu puy py- pye pyn pyr pyu re- ree ren rep rer reu rey rnn rnp rnr rnu rny rpe rpn rpp rpr rpu rrn rrp rrr rru rue run rup rur ruu ruy ry- rye ryn ryr ryu ryy uee uen uep uer uey un- une unn unp unr unu uny up- upe upn upp upr upu ur- ure urn urp urr uru ury uue uun uur uuu uyu yee yen yep yer yey yne ynn ynp ynu yny ypu yre yrn yrp yru yue yun yup yur yuu yuy yye yyu yyy