-er -ey eee een eep eer ees eey eie eii ein eip eir eis en- ene eni enn enp enr ens eny ep- epe epi epn epp epr eps ere eri ern erp err ers ery es- ese esi esn esp esr ess esy eye eyn eyp eyr eys ie- iee iei ien iep ier ies iey iie iii iin iip iir iis in- ine ini inn inp inr ins iny ipe ipi ipn ipp ipr ips ipy ir- ire iri irn irp irr irs iry is- ise isi isn isp isr iss isy iye iyr iys iyy n-i ne- nee nei nen nep ner nes ney nie nii nin nip nir nis nne nni nnn nnp nns npe npi npn npp npr nps nre nri nrn nrp nrr nrs nry nse nsi nsn nsp nsr nss nsy nye nyn nyp nys nyy p-p pee pei pen pep per pes pey pie pii pin pip pir pis pn- pne pni pnn pnp pnr pns pny ppe ppi ppn ppp ppr pps pre pri prn prp prr prs pry ps- pse psi psn psp psr pss psy py- pye pyn pyr pys re- ree rei ren rep rer res rey rie rii rin rip rir ris riy rni rnn rnp rnr rns rny rpe rpi rpn rpp rpr rps rri rrn rrp rrr rrs rse rsi rsn rsp rsr rss ry- rye ryn ryr rys ryy se- see sei sen sep ser ses sey sie sii sin sip sir sis sne sni snn snp snr sns sny spe spi spn spp spr sps spy sr- sre sri srn srp srr srs sry ss- sse ssi ssn ssp ssr sss sy- sye syi syn syp syr sys yee yei yen yep yer yes yey yie yii yin yip yir yis yne ynn ynp yns yny yps yre yrn yrp yrs yse ysi ysp ysr yss ysy yye yys yyy