-ic bbb bbc bbd bbi bbk bbm bbo bby bcb bcc bcd bci bck bcm bco bcy bdb bdc bdd bdi bdk bdm bdo bdy bi- bib bic bid bii bik bim bio biy bkb bkc bkk bkm bko bmb bmc bmd bmi bmk bmm bmo bob boc bod boi bok bom boo boy by- byc byd byi byk bym byo c-- cbb cbc cbd cbi cbk cbm cbo cby ccb ccc ccd cci cck ccm cco cdb cdc cdd cdi cdk cdm cdo cdy ci- cib cic cid cii cik cim cio ckb ckc ckd cki ckm cko cky cmb cmc cmd cmi cmk cmm cmo cmy co- cob coc cod coi cok com coo coy cyb cyc cyd cyk cym cyo dbb dbc dbd dbi dbk dbm dbo dby dcb dcc dcd dci dck dcm dco ddb ddc ddd ddi ddk ddm ddo ddy di- dib dic did dii dik dim dio diy dkb dkc dki dkk dkm dko dmb dmc dmd dmi dmk dmm dmo dob doc dod doi dok dom doo doy dy- dyb dyc dyd dyk dym dyo dyy i-d ibb ibc ibd ibi ibk ibm ibo iby icb icc icd ici ick icm ico icy idb idc idd idi idk idm ido idy iib iic iid iii iim iio ikb ikc iki ikk iko im- imb imc imd imi imm imo imy io- iob ioc iod ioi iom ioo iyc iym iyo iyy kbb kbc kbd kbi kbk kbm kbo kcb kcc kcd kci kck kcm kdb kdc kdk kdm kdo kdy kib kic kid kii kik kim kio kkb kkc kki kkk kkm kky kmb kmc kmd kmi kmk kmm kmo kob koc kod koi kok kom koo koy kyc kyd kym kyo m-o mbb mbc mbd mbi mbk mbm mbo mc- mcb mcc mcd mci mck mcm mco mdb mdc mdd mdi mdk mdm mdo mdy mi- mib mic mid mii mik mim mio miy mkb mkc mkd mkk mkm mko mky mmb mmc mmd mmi mmk mmm mmo mob moc mod moi mok mom moo moy my- myb myc myd myk mym myo o-i ob- obb obc obd obi obk obm obo oby oc- ocb occ ocd oci ock ocm oco odb odc odd odi odm odo oib oic oid oii oik oim oio okb okc okd oki okk oko om- omb omc omd omi omm omo omy oo- oob ooc ood ooi ook oom ooo oyd oyi oyo ybc ybi ybm yby ycc ycd yci yco ycy ydo ydy yid yii yim yio yki ykk ykm ymc ymi ymm ymo yob yoc yod yoi yok yom yoo yoy yyb yyc yyy