bbb bbd bbi bbm bbo bby bdb bdd bdi bdm bdo bdy bi- bib bid bii bim bio biy bmb bmd bmi bmm bmo bob bod boi bom boo boy by- byd byi bym byo dbb dbd dbi dbm dbo dby ddb ddd ddi ddm ddo ddy di- dib did dii dim dio diy dmb dmd dmi dmm dmo dob dod doi dom doo doy dy- dyb dyd dym dyo dyy i-d ibb ibd ibi ibm ibo iby idb idd idi idm ido idy iib iid iii iim iio im- imb imd imi imm imo imy io- iob iod ioi iom ioo iym iyo iyy m-o mbb mbd mbi mbm mbo mdb mdd mdi mdm mdo mdy mi- mib mid mii mim mio miy mmb mmd mmi mmm mmo mob mod moi mom moo moy my- myb myd mym myo o-i ob- obb obd obi obm obo oby odb odd odi odm odo oib oid oii oim oio om- omb omd omi omm omo omy oo- oob ood ooi oom ooo oyd oyi oyo ybi ybm yby ydo ydy yid yii yim yio ymi ymm ymo yob yod yoi yom yoo yoy yyb yyy