-er -ey eee eeo eep eer eet eev eey eo- eoe eoo eop eor eot ep- epe epo epp epr ept ere ero erp err ert erv ery ete eto etp etr ett etv ety eve evo evp evr evt evv evy eye eyo eyp eyr eyt oee oeo oep oer oet oey oo- ooo oop oor oot oov op- ope opo opp opr opt opv opy or- ore oro orp orr ort orv ory ot- ote oto otp otr ott otv ov- ove ovo ovp ovv oye oyo p-p pee peo pep per pet pev pey poe poo pop por pot pov poy ppe ppo ppp ppr ppt ppv pre pro prp prr prt prv pry pt- pte pto ptp ptr ptt ptv pty pve pvo pvp pvr pvt pvv py- pye pyo pyr pyt re- ree reo rep rer ret rev rey roe roo rop ror rot rov roy rpe rpo rpp rpr rpt rpv rrp rrr rrt rte rto rtp rtr rtt rtv rty rve rvo rvp rvr rvt rvv rvy ry- rye ryo ryr ryy te- tee teo tep ter tet tev tey to- toe too top tor tot tov toy tpe tpo tpp tpr tpt tpv tre tro trp trr trt trv try tte tto ttp ttr ttt ttv tty tve tvo tvp tvr tvt tvy tye tyo typ tyr tyt v-e vee veo vep ver vet vey voe voo vop vor vot vov voy vpe vpo vpp vpr vpt vre vrp vrr vrt vry vte vto vtr vtt vtv vty vvo vvr vvt vvv vye vyp vyt yee yeo yep yer yet yev yey yoe yoo yop yor yot yoy ypo yre yro yrp yrt yte yto ytp ytr ytt ytv yve yvo yvr yvy yye yyt yyy