-ey bbb bbd bbe bbh bbo bby bdb bdd bde bdh bdo bdy be- beb bed bee beh beo bey bhb bhd bhe bhh bho bob bod boe boh boo boy by- byd bye byh byo dbb dbd dbe dbh dbo dby ddb ddd dde ddh ddo ddy de- deb ded dee deh deo dey dh- dhb dhd dhe dhh dho dob dod doe doh doo doy dy- dyb dyd dye dyo dyy ebb ebd ebe ebh ebo eby ed- edb edd ede edh edo edy eeb eed eee eeo eey ehb ehd ehe ehh eho eo- eob eod eoe eoh eoo eyd eye eyo hbb hbd hbe hbh hbo hby hdb hdd hde hdh hdo hdy he- heb hed hee heh heo hey hhb hhd hhe hhh hho hhy hob hod hoe hoh hoo hoy hy- hyb hyd hye hyh hyo hyy ob- obb obd obe obh obo oby odb odd ode odh odo oeb oed oee oeh oeo oey ohd ohe ohh oho oo- oob ood ooh ooo oyd oye oyo ybe yby yde ydo ydy yeb yed yee yeh yeo yey yhe yob yod yoe yoo yoy yyb yye yyy