-er -ey -up eee een eep eer ees eey eie eii ein eip eir eis eiu en- ene eni enn enp enr ens enu eny ep- epe epi epn epp epr eps epu ere eri ern erp err ers eru ery es- ese esi esn esp esr ess esu esy eu- eue eui eun eup eur eus eye eyn eyp eyr eys ie- iee iei ien iep ier ies iey iie iii iin iip iir iis iiu in- ine ini inn inp inr ins inu iny ipe ipi ipn ipp ipr ips ipu ipy ir- ire iri irn irp irr irs iru iry is- ise isi isn isp isr iss isu isy iu- iue iui iup iur ius iye iyr iys iyy n-i ne- nee nei nen nep ner nes neu ney nie nii nin nip nir nis niu nne nni nnn nnp nns nnu npe npi npn npp npr nps npu nre nri nrn nrp nrr nrs nru nry nse nsi nsn nsp nsr nss nsu nsy nue nui nun nup nur nus nuu nuy nye nyn nyp nys nyu nyy p-p pee pei pen pep per pes peu pey pie pii pin pip pir pis piu pn- pne pni pnn pnp pnr pns pnu pny ppe ppi ppn ppp ppr pps ppu pre pri prn prp prr prs pru pry ps- pse psi psn psp psr pss psu psy pue pui pun pup pur pus puu puy py- pye pyn pyr pys pyu re- ree rei ren rep rer res reu rey rie rii rin rip rir ris riy rni rnn rnp rnr rns rnu rny rpe rpi rpn rpp rpr rps rpu rri rrn rrp rrr rrs rru rse rsi rsn rsp rsr rss rsu rue rui run rup rur rus ruu ruy ry- rye ryn ryr rys ryu ryy se- see sei sen sep ser ses seu sey sie sii sin sip sir sis siu sne sni snn snp snr sns snu sny spe spi spn spp spr sps spu spy sr- sre sri srn srp srr srs sry ss- sse ssi ssn ssp ssr sss ssu sue sui sun sup sur sus suu suy sy- sye syi syn syp syr sys syu uee uei uen uep uer ues uey uie uii uin uip uir uis uiu un- une uni unn unp unr uns unu uny up- upe upi upn upp upr ups upu ur- ure uri urn urp urr urs uru ury use usi usn usp usr uss usu uue uun uur uus uuu uyi uys uyu yee yei yen yep yer yes yey yie yii yin yip yir yis yne ynn ynp yns ynu yny yps ypu yre yrn yrp yrs yru yse ysi ysp ysr yss ysu ysy yue yui yun yup yur yus yuu yuy yye yys yyu yyy