-er -ey -up eee een eep eer eet eey eie eii ein eip eir eit eiu en- ene eni enn enp enr ent enu eny ep- epe epi epn epp epr ept epu ere eri ern erp err ert eru ery ete eti etn etp etr ett etu ety eu- eue eui eun eup eur eut eye eyn eyp eyr eyt ie- iee iei ien iep ier iet iey iie iii iin iip iir iit iiu in- ine ini inn inp inr int inu iny ipe ipi ipn ipp ipr ipt ipu ipy ir- ire iri irn irp irr irt iru iry ite iti itn itp itt itu ity iu- iue iui iup iur iut iye iyr iyt iyy n-i ne- nee nei nen nep ner net neu ney nie nii nin nip nir nit niu nne nni nnn nnp nnt nnu npe npi npn npp npr npt npu nre nri nrn nrp nrr nrt nru nry nte nti ntn ntp ntr ntt ntu nue nui nun nup nur nut nuu nuy nye nyn nyp nyt nyu nyy p-p pee pei pen pep per pet peu pey pie pii pin pip pir pit piu pn- pne pni pnn pnp pnr pnt pnu pny ppe ppi ppn ppp ppr ppt ppu pre pri prn prp prr prt pru pry pt- pte pti ptn ptp ptr ptt ptu pty pue pui pun pup pur put puu puy py- pye pyn pyr pyt pyu re- ree rei ren rep rer ret reu rey rie rii rin rip rir rit riy rni rnn rnp rnr rnt rnu rny rpe rpi rpn rpp rpr rpt rpu rri rrn rrp rrr rrt rru rte rti rtn rtp rtr rtt rtu rty rue rui run rup rur rut ruu ruy ry- rye ryn ryr ryu ryy te- tee tei ten tep ter tet teu tey tie tii tin tip tir tit tiu tiy tne tni tnn tnp tnr tnt tpe tpi tpn tpp tpr tpt tpu tre tri trn trp trr trt tru try tte tti ttn ttp ttr ttt ttu tty tue tui tun tup tur tut tuu tuy tye tyn typ tyr tyt uee uei uen uep uer uet uey uie uii uin uip uir uit uiu un- une uni unn unp unr unt unu uny up- upe upi upn upp upr upt upu ur- ure uri urn urp urr urt uru ury ute uti utn utp utr utt utu uty uue uun uur uut uuu uyi uyu yee yei yen yep yer yet yey yie yii yin yip yir yit yne ynn ynp ynu yny ypu yre yrn yrp yrt yru yte ytn ytp ytr ytt ytu yue yui yun yup yur yut yuu yuy yye yyt yyu yyy