-er -ey eee een eeo eep eer eev eey eie eii ein eio eip eir eiv en- ene eni enn eno enp enr env eny eo- eoe eoi eon eoo eop eor ep- epe epi epn epo epp epr ere eri ern ero erp err erv ery eve evi evn evo evp evr evv evy eye eyn eyo eyp eyr i-v ie- iee iei ien iep ier iev iey iie iii iin iio iip iir in- ine ini inn ino inp inr inv iny io- ioe ioi ion ioo iop ior iov ipe ipi ipn ipo ipp ipr ipv ipy ir- ire iri irn iro irp irr irv iry ive ivi ivo ivp ivr ivv ivy iye iyo iyr iyy n-i ne- nee nei nen neo nep ner nev ney nie nii nin nio nip nir niv nne nni nnn nno nnp nnv no- noe noi non noo nop nor nov noy npe npi npn npo npp npr npv nre nri nrn nro nrp nrr nrv nry nve nvi nvn nvp nvv nye nyn nyo nyp nyy o-i oee oei oen oeo oep oer oey oie oii oin oio oip oir oiv on- one oni onn ono onp onr ony oo- ooi oon ooo oop oor oov op- ope opi opn opo opp opr opv opy or- ore ori orn oro orp orr orv ory ov- ove ovi ovo ovp ovv oye oyi oyo p-p pee pei pen peo pep per pev pey pie pii pin pio pip pir piv pn- pne pni pnn pno pnp pnr pnv pny poe poi pon poo pop por pov poy ppe ppi ppn ppo ppp ppr ppv pre pri prn pro prp prr prv pry pve pvi pvn pvo pvp pvr pvv py- pye pyn pyo pyr re- ree rei ren reo rep rer rev rey rie rii rin rio rip rir riv riy rni rnn rno rnp rnr rnv rny roe roi ron roo rop ror rov roy rpe rpi rpn rpo rpp rpr rpv rri rrn rrp rrr rve rvi rvn rvo rvp rvr rvv rvy ry- rye ryn ryo ryr ryy v-e vee vei ven veo vep ver vey vi- vie vii vin vio vip vir viv viy vn- vni vno vnp vnr vnv voe voi von voo vop vor vov voy vpe vpi vpn vpo vpp vpr vre vri vrn vrp vrr vry vvi vvo vvr vvv vye vyn vyp yee yei yen yeo yep yer yev yey yie yii yin yio yip yir yne ynn ynp yny yoe yoi yon yoo yop yor yoy ypo yre yrn yro yrp yve yvi yvo yvr yvy yye yyy