-er -ey a-a aaa aae aao aap aar aav aay aea aee aeo aep aer aev aey aoa aoe aoo aop aor aov ap- apa ape apo app apr apv apy ar- ara are aro arp arr arv ary av- ava ave avo avp avr avy ay- aya aye ayo ayp ayr eaa eae eao eap ear eav eea eee eeo eep eer eev eey eo- eoa eoe eoo eop eor ep- epa epe epo epp epr era ere ero erp err erv ery eva eve evo evp evr evv evy eya eye eyo eyp eyr oaa oae oao oap oar oav oea oee oeo oep oer oey oo- ooa ooo oop oor oov op- opa ope opo opp opr opv opy or- ora ore oro orp orr orv ory ov- ova ove ovo ovp ovv oya oye oyo p-p paa pae pao pap par pav pay pea pee peo pep per pev pey poa poe poo pop por pov poy ppa ppe ppo ppp ppr ppv pra pre pro prp prr prv pry pva pve pvo pvp pvr pvv py- pya pye pyo pyr ra- raa rae rao rap rar rav ray re- rea ree reo rep rer rev rey roa roe roo rop ror rov roy rpa rpe rpo rpp rpr rpv rra rrp rrr rva rve rvo rvp rvr rvv rvy ry- rya rye ryo ryr ryy v-a v-e vaa vae vao vap var vav vay vea vee veo vep ver vey voa voe voo vop vor vov voy vpa vpe vpo vpp vpr vra vre vrp vrr vry vva vvo vvr vvv vye vyp yaa yae yao yap yar yav yay yea yee yeo yep yer yev yey yoe yoo yop yor yoy ypa ypo yra yre yro yrp yva yve yvo yvr yvy yye yyy