-er -ey a-a a-b aaa aab aae aah aao aar aau aay ab- aba abb abe abh abo abr abu aby aea aeb aee aeh aeo aer aeu aey aha ahb ahe ahh aho ahr ahu ahy aoa aob aoe aoh aoo aor aou ar- ara arb are arh aro arr aru ary au- aua aub aue auh auo aur ay- aya aye ayh ayo ayr ayu b-u baa bab bae bah bao bar bau bay bba bbb bbe bbh bbo bbr bbu bby be- bea beb bee beh beo ber beu bey bha bhb bhe bhh bho bhr bhu boa bob boe boh boo bor bou boy bra brb bre brh bro brr bru bry bua bub bue buh buo bur buu buy by- bya bye byh byo byr byu eaa eab eae eah eao ear eau eba ebb ebe ebh ebo ebr ebu eby eea eeb eee eeo eer eey eha ehb ehe ehh eho ehr ehu eo- eoa eob eoe eoh eoo eor eou era erb ere erh ero err eru ery eu- eua eub eue eur eya eye eyo eyr haa hab hae hah hao har hau hay hba hbb hbe hbh hbo hbr hbu hby he- hea heb hee heh heo her heu hey hha hhb hhe hhh hho hhr hhu hhy hoa hob hoe hoh hoo hor hou hoy hr- hra hrb hre hrh hro hrr hru hua hub hue huh huo hur huu huy hy- hya hyb hye hyh hyo hyr hyy oaa oab oae oah oao oar oau ob- oba obb obe obh obo obr obu oby oea oeb oee oeh oeo oer oey oha ohe ohh oho ohr ohu oo- ooa oob ooh ooo oor or- ora orb ore orh oro orr oru ory ou- oua oue ouh ouo our oya oye oyo ra- raa rab rae rah rao rar rau ray rba rbb rbe rbh rbo rbr rbu re- rea reb ree reh reo rer reu rey rh- rha rhb rhe rhh rho rhr rhu roa rob roe roh roo ror rou roy rra rrb rrh rrr rru rua rub rue ruh ruo rur ruu ruy ry- rya rye ryo ryr ryu ryy ua- uaa uab uae uah uao uar uau uay uba ubb ube ubh ubo ubr ubu uby uea ueb uee ueh uer uey uha uhb uhe uhh uho uhr uhu uhy uoa uob uoe uoo uor ur- ura urb ure uro urr uru ury uua uue uur uuu uyo uyu yaa yab yae yah yao yar yau yay ybe ybr yby yea yeb yee yeh yeo yer yey yha yhe yhu yob yoe yoo yor you yoy yra yre yro yru yua yue yuh yuo yur yuu yuy yyb yye yyu yyy