-ic bbb bbc bbd bbi bbm bbo bbr bby bcb bcc bcd bci bcm bco bcr bcy bdb bdc bdd bdi bdm bdo bdr bdy bi- bib bic bid bii bim bio bir biy bmb bmc bmd bmi bmm bmo bmr bob boc bod boi bom boo bor boy brb brd bri brm bro brr bry by- byc byd byi bym byo byr c-- cbb cbc cbd cbi cbm cbo cbr cby ccb ccc ccd cci ccm cco ccr cdb cdc cdd cdi cdm cdo cdr cdy ci- cib cic cid cii cim cio cir cmb cmc cmd cmi cmm cmo cmr cmy co- cob coc cod coi com coo cor coy crb crc crd cri crm cro crr cry cyb cyc cyd cym cyo cyr dbb dbc dbd dbi dbm dbo dbr dby dcb dcc dcd dci dcm dco dcr ddb ddc ddd ddi ddm ddo ddr ddy di- dib dic did dii dim dio dir diy dmb dmc dmd dmi dmm dmo dmr dob doc dod doi dom doo dor doy drb drc drd dri drm dro drr dry dy- dyb dyc dyd dym dyo dyr dyy i-d ibb ibc ibd ibi ibm ibo ibr iby icb icc icd ici icm ico icr icy idb idc idd idi idm ido idr idy iib iic iid iii iim iio iir im- imb imc imd imi imm imo imy io- iob ioc iod ioi iom ioo ior ir- irb irc ird iri irm iro irr iry iyc iym iyo iyr iyy m-o m-r mbb mbc mbd mbi mbm mbo mbr mc- mcb mcc mcd mci mcm mco mcr mdb mdc mdd mdi mdm mdo mdr mdy mi- mib mic mid mii mim mio mir miy mmb mmc mmd mmi mmm mmo mmr mob moc mod moi mom moo mor moy mrb mrc mrd mri mrm mro mrr mry my- myb myc myd mym myo myr o-i ob- obb obc obd obi obm obo obr oby oc- ocb occ ocd oci ocm oco ocr odb odc odd odi odm odo odr oib oic oid oii oim oio oir om- omb omc omd omi omm omo omr omy oo- oob ooc ood ooi oom ooo oor or- orb orc ord ori orm oro orr ory oyd oyi oyo rbb rbc rbd rbi rbm rbo rbr rcb rcc rcd rci rcm rco rcr rdb rdc rdd rdi rdm rdo rdr rdy rib ric rid rii rim rio rir riy rmb rmc rmd rmi rmm rmo rmr rob roc rod roi rom roo ror roy rrb rrc rrd rri rrm rrr ry- ryc ryd rym ryo ryr ryy ybc ybi ybm ybr yby ycc ycd yci yco ycy ydo ydy yid yii yim yio yir ymc ymi ymm ymo yob yoc yod yoi yom yoo yor yoy yrc yro yyb yyc yyy