-er -ey eee eeo eep eer eet eev eex eey eie eii eio eip eir eit eiv eix eo- eoe eoi eoo eop eor eot ep- epe epi epo epp epr ept epx ere eri ero erp err ert erv ery ete eti eto etp etr ett etv etx ety eve evi evo evp evr evt evv evy ex- exe exi exo exp exr ext exx exy eye eyo eyp eyr eyt i-v ie- iee iei iep ier iet iev iex iey iie iii iio iip iir iit iix io- ioe ioi ioo iop ior iot iov ipe ipi ipo ipp ipr ipt ipv ipx ipy ir- ire iri iro irp irr irt irv irx iry ite iti ito itp itt itv itx ity ive ivi ivo ivp ivr ivt ivv ivx ivy ixe ixi ixy iye iyo iyr iyt iyy o-i oee oei oeo oep oer oet oex oey oie oii oio oip oir oit oiv oo- ooi ooo oop oor oot oov oox op- ope opi opo opp opr opt opv opx opy or- ore ori oro orp orr ort orv orx ory ot- ote oti oto otp otr ott otv ov- ove ovi ovo ovp ovv ox- oxi oxo oxt oxx oxy oye oyi oyo p-p pee pei peo pep per pet pev pex pey pie pii pio pip pir pit piv pix poe poi poo pop por pot pov pox poy ppe ppi ppo ppp ppr ppt ppv ppx pre pri pro prp prr prt prv prx pry pt- pte pti pto ptp ptr ptt ptv ptx pty pve pvi pvo pvp pvr pvt pvv pxe pxr pxt py- pye pyo pyr pyt pyx re- ree rei reo rep rer ret rev rex rey rie rii rio rip rir rit riv rix riy roe roi roo rop ror rot rov rox roy rpe rpi rpo rpp rpr rpt rpv rpx rri rrp rrr rrt rte rti rto rtp rtr rtt rtv rtx rty rve rvi rvo rvp rvr rvt rvv rvy rxp rxr ry- rye ryo ryr ryy t-x te- tee tei teo tep ter tet tev tex tey tie tii tio tip tir tit tiv tix tiy to- toe toi too top tor tot tov tox toy tpe tpi tpo tpp tpr tpt tpv tpx tre tri tro trp trr trt trv trx try tte tti tto ttp ttr ttt ttv ttx tty tve tvi tvo tvp tvr tvt tvx tvy txe txi txt tye tyo typ tyr tyt v-e vee vei veo vep ver vet vex vey vi- vie vii vio vip vir vit viv vix viy voe voi voo vop vor vot vov vox voy vpe vpi vpo vpp vpr vpt vpx vre vri vrp vrr vrt vry vte vti vto vtr vtt vtv vtx vty vvi vvo vvr vvt vvv vxr vxv vye vyp vyt xee xep xer xet xev xex xie xii xio xit xiv xix xoi xoo xop xor xot xov xox xpe xpo xpp xpt xrt xrx xry xti xtp xtr xtv xtx xty xvi xvt xxi xxo xxp xxv xxx xxy xyp xyr xyy yee yei yeo yep yer yet yev yex yey yie yii yio yip yir yit yoe yoi yoo yop yor yot yox yoy ypo yre yro yrp yrt yte yto ytp ytr ytt ytv yve yvi yvo yvr yvy yxe yxy yye yyt yyy