-ey a-a a-b aaa aab aad aae aah aao aay ab- aba abb abd abe abh abo aby ad- ada adb add ade adh ado ady aea aeb aed aee aeh aeo aey aha ahb ahd ahe ahh aho ahy aoa aob aod aoe aoh aoo ay- aya ayd aye ayh ayo baa bab bad bae bah bao bay bba bbb bbd bbe bbh bbo bby bda bdb bdd bde bdh bdo bdy be- bea beb bed bee beh beo bey bha bhb bhd bhe bhh bho boa bob bod boe boh boo boy by- bya byd bye byh byo daa dab dad dae dah dao day dba dbb dbd dbe dbh dbo dby dda ddb ddd dde ddh ddo ddy de- dea deb ded dee deh deo dey dh- dha dhb dhd dhe dhh dho doa dob dod doe doh doo doy dy- dya dyb dyd dye dyo dyy eaa eab ead eae eah eao eba ebb ebd ebe ebh ebo eby ed- eda edb edd ede edh edo edy eea eeb eed eee eeo eey eha ehb ehd ehe ehh eho eo- eoa eob eod eoe eoh eoo eya eyd eye eyo haa hab had hae hah hao hay hba hbb hbd hbe hbh hbo hby hda hdb hdd hde hdh hdo hdy he- hea heb hed hee heh heo hey hha hhb hhd hhe hhh hho hhy hoa hob hod hoe hoh hoo hoy hy- hya hyb hyd hye hyh hyo hyy oaa oab oad oae oah oao ob- oba obb obd obe obh obo oby oda odb odd ode odh odo oea oeb oed oee oeh oeo oey oha ohd ohe ohh oho oo- ooa oob ood ooh ooo oya oyd oye oyo yaa yab yad yae yah yao yay ybe yby yda yde ydo ydy yea yeb yed yee yeh yeo yey yha yhe yob yod yoe yoo yoy yyb yye yyy