-er -ey a-a aaa aae aao aar aay aea aee aeo aer aey aoa aoe aoo aor ar- ara are aro arr ary ay- aya aye ayo ayr eaa eae eao ear eea eee eeo eer eey eo- eoa eoe eoo eor era ere ero err ery eya eye eyo eyr oaa oae oao oar oea oee oeo oer oey oo- ooa ooo oor or- ora ore oro orr ory oya oye oyo ra- raa rae rao rar ray re- rea ree reo rer rey roa roe roo ror roy rra rrr ry- rya rye ryo ryr ryy yaa yae yao yar yay yea yee yeo yer yey yoe yoo yor yoy yra yre yro yye yyy