-er -ey eee een eep eer eet eey eie eii ein eip eir eit en- ene eni enn enp enr ent eny ep- epe epi epn epp epr ept ere eri ern erp err ert ery ete eti etn etp etr ett ety eye eyn eyp eyr eyt ie- iee iei ien iep ier iet iey iie iii iin iip iir iit in- ine ini inn inp inr int iny ipe ipi ipn ipp ipr ipt ipy ir- ire iri irn irp irr irt iry ite iti itn itp itt ity iye iyr iyt iyy n-i ne- nee nei nen nep ner net ney nie nii nin nip nir nit nne nni nnn nnp nnt npe npi npn npp npr npt nre nri nrn nrp nrr nrt nry nte nti ntn ntp ntr ntt nye nyn nyp nyt nyy p-p pee pei pen pep per pet pey pie pii pin pip pir pit pn- pne pni pnn pnp pnr pnt pny ppe ppi ppn ppp ppr ppt pre pri prn prp prr prt pry pt- pte pti ptn ptp ptr ptt pty py- pye pyn pyr pyt re- ree rei ren rep rer ret rey rie rii rin rip rir rit riy rni rnn rnp rnr rnt rny rpe rpi rpn rpp rpr rpt rri rrn rrp rrr rrt rte rti rtn rtp rtr rtt rty ry- rye ryn ryr ryy te- tee tei ten tep ter tet tey tie tii tin tip tir tit tiy tne tni tnn tnp tnr tnt tpe tpi tpn tpp tpr tpt tre tri trn trp trr trt try tte tti ttn ttp ttr ttt tty tye tyn typ tyr tyt yee yei yen yep yer yet yey yie yii yin yip yir yit yne ynn ynp yny yre yrn yrp yrt yte ytn ytp ytr ytt yye yyt yyy