-er a-a aaa aae aah aao aar aau aea aee aeh aeo aer aeu aha ahe ahh aho ahr ahu aoa aoe aoh aoo aor aou ar- ara are arh aro arr aru au- aua aue auh auo aur eaa eae eah eao ear eau eea eee eeo eer eha ehe ehh eho ehr ehu eo- eoa eoe eoh eoo eor eou era ere erh ero err eru eu- eua eue eur haa hae hah hao har hau he- hea hee heh heo her heu hha hhe hhh hho hhr hhu hoa hoe hoh hoo hor hou hr- hra hre hrh hro hrr hru hua hue huh huo hur huu oaa oae oah oao oar oau oea oee oeh oeo oer oha ohe ohh oho ohr ohu oo- ooa ooh ooo oor or- ora ore orh oro orr oru ou- oua oue ouh ouo our ra- raa rae rah rao rar rau re- rea ree reh reo rer reu rh- rha rhe rhh rho rhr rhu roa roe roh roo ror rou rra rrh rrr rru rua rue ruh ruo rur ruu ua- uaa uae uah uao uar uau uea uee ueh uer uha uhe uhh uho uhr uhu uoa uoe uoo uor ur- ura ure uro urr uru uua uue uur uuu