-er -ey -up eee een eep eer eey eie eii ein eip eir eiu en- ene eni enn enp enr enu eny ep- epe epi epn epp epr epu ere eri ern erp err eru ery eu- eue eui eun eup eur eye eyn eyp eyr ie- iee iei ien iep ier iey iie iii iin iip iir iiu in- ine ini inn inp inr inu iny ipe ipi ipn ipp ipr ipu ipy ir- ire iri irn irp irr iru iry iu- iue iui iup iur iye iyr iyy n-i ne- nee nei nen nep ner neu ney nie nii nin nip nir niu nne nni nnn nnp nnu npe npi npn npp npr npu nre nri nrn nrp nrr nru nry nue nui nun nup nur nuu nuy nye nyn nyp nyu nyy p-p pee pei pen pep per peu pey pie pii pin pip pir piu pn- pne pni pnn pnp pnr pnu pny ppe ppi ppn ppp ppr ppu pre pri prn prp prr pru pry pue pui pun pup pur puu puy py- pye pyn pyr pyu re- ree rei ren rep rer reu rey rie rii rin rip rir riy rni rnn rnp rnr rnu rny rpe rpi rpn rpp rpr rpu rri rrn rrp rrr rru rue rui run rup rur ruu ruy ry- rye ryn ryr ryu ryy uee uei uen uep uer uey uie uii uin uip uir uiu un- une uni unn unp unr unu uny up- upe upi upn upp upr upu ur- ure uri urn urp urr uru ury uue uun uur uuu uyi uyu yee yei yen yep yer yey yie yii yin yip yir yne ynn ynp ynu yny ypu yre yrn yrp yru yue yui yun yup yur yuu yuy yye yyu yyy