-er -ey -up eee een eep eer ees eey en- ene enn enp enr ens enu eny ep- epe epn epp epr eps epu ere ern erp err ers eru ery es- ese esn esp esr ess esu esy eu- eue eun eup eur eus eye eyn eyp eyr eys ne- nee nen nep ner nes neu ney nne nnn nnp nns nnu npe npn npp npr nps npu nre nrn nrp nrr nrs nru nry nse nsn nsp nsr nss nsu nsy nue nun nup nur nus nuu nuy nye nyn nyp nys nyu nyy p-p pee pen pep per pes peu pey pn- pne pnn pnp pnr pns pnu pny ppe ppn ppp ppr pps ppu pre prn prp prr prs pru pry ps- pse psn psp psr pss psu psy pue pun pup pur pus puu puy py- pye pyn pyr pys pyu re- ree ren rep rer res reu rey rnn rnp rnr rns rnu rny rpe rpn rpp rpr rps rpu rrn rrp rrr rrs rru rse rsn rsp rsr rss rsu rue run rup rur rus ruu ruy ry- rye ryn ryr rys ryu ryy se- see sen sep ser ses seu sey sne snn snp snr sns snu sny spe spn spp spr sps spu spy sr- sre srn srp srr srs sry ss- sse ssn ssp ssr sss ssu sue sun sup sur sus suu suy sy- sye syn syp syr sys syu uee uen uep uer ues uey un- une unn unp unr uns unu uny up- upe upn upp upr ups upu ur- ure urn urp urr urs uru ury use usn usp usr uss usu uue uun uur uus uuu uys uyu yee yen yep yer yes yey yne ynn ynp yns ynu yny yps ypu yre yrn yrp yrs yru yse ysp ysr yss ysu ysy yue yun yup yur yus yuu yuy yye yys yyu yyy