-ic b-u bbb bbc bbd bbi bbm bbo bbu bby bcb bcc bcd bci bcm bco bcu bcy bdb bdc bdd bdi bdm bdo bdu bdy bi- bib bic bid bii bim bio biu biy bmb bmc bmd bmi bmm bmo bmu bob boc bod boi bom boo bou boy bub buc bud bui bum buo buu buy by- byc byd byi bym byo byu c-- cbb cbc cbd cbi cbm cbo cbu cby ccb ccc ccd cci ccm cco ccu cdb cdc cdd cdi cdm cdo cdu cdy ci- cib cic cid cii cim cio ciu cmb cmc cmd cmi cmm cmo cmu cmy co- cob coc cod coi com coo cou coy cub cuc cud cui cum cuo cuu cuy cyb cyc cyd cym cyo dbb dbc dbd dbi dbm dbo dbu dby dcb dcc dcd dci dcm dco dcu ddb ddc ddd ddi ddm ddo ddu ddy di- dib dic did dii dim dio diu diy dmb dmc dmd dmi dmm dmo dmu dob doc dod doi dom doo dou doy dub duc dud dui dum duo duy dy- dyb dyc dyd dym dyo dyu dyy i-d ibb ibc ibd ibi ibm ibo ibu iby icb icc icd ici icm ico icu icy idb idc idd idi idm ido idu idy iib iic iid iii iim iio iiu im- imb imc imd imi imm imo imu imy io- iob ioc iod ioi iom ioo iou iu- iub iuc iud iui ium iyc iym iyo iyy m-o mbb mbc mbd mbi mbm mbo mbu mc- mcb mcc mcd mci mcm mco mcu mdb mdc mdd mdi mdm mdo mdu mdy mi- mib mic mid mii mim mio miu miy mmb mmc mmd mmi mmm mmo mmu mob moc mod moi mom moo mou moy mub muc mud mui mum muu muy my- myb myc myd mym myo myu o-i ob- obb obc obd obi obm obo obu oby oc- ocb occ ocd oci ocm oco ocu odb odc odd odi odm odo odu oib oic oid oii oim oio oiu om- omb omc omd omi omm omo omu omy oo- oob ooc ood ooi oom ooo ou- ouc oud oui oum ouo oyd oyi oyo ubb ubc ubi ubo ubu uby ucb ucc ucd uci ucm uco ucu udb udc udd udi udm udo udu uib uic uid uii uim uio uiu um- umb umc umd umi umm umo umu uob uoc uod uom uoo uuc uum uuu uyc uyi uyo uyu ybc ybi ybm yby ycc ycd yci yco ycu ycy ydo ydy yid yii yim yio ymc ymi ymm ymo yob yoc yod yoi yom yoo you yoy yud yui yum yuo yuu yuy yyb yyc yyu yyy