-ic bbb bbc bbd bbi bbk bbm bbo bbr bcb bcc bcd bci bck bcm bco bcr bdb bdc bdd bdi bdk bdm bdo bdr bi- bib bic bid bii bik bim bio bir bkb bkc bkk bkm bko bkr bmb bmc bmd bmi bmk bmm bmo bmr bob boc bod boi bok bom boo bor brb brd bri brk brm bro brr c-- cbb cbc cbd cbi cbk cbm cbo cbr ccb ccc ccd cci cck ccm cco ccr cdb cdc cdd cdi cdk cdm cdo cdr ci- cib cic cid cii cik cim cio cir ckb ckc ckd cki ckm cko cmb cmc cmd cmi cmk cmm cmo cmr co- cob coc cod coi cok com coo cor crb crc crd cri crk crm cro crr dbb dbc dbd dbi dbk dbm dbo dbr dcb dcc dcd dci dck dcm dco dcr ddb ddc ddd ddi ddk ddm ddo ddr di- dib dic did dii dik dim dio dir dkb dkc dki dkk dkm dko dkr dmb dmc dmd dmi dmk dmm dmo dmr dob doc dod doi dok dom doo dor drb drc drd dri drk drm dro drr i-d ibb ibc ibd ibi ibk ibm ibo ibr icb icc icd ici ick icm ico icr idb idc idd idi idk idm ido idr iib iic iid iii iim iio iir ikb ikc iki ikk iko ikr im- imb imc imd imi imm imo io- iob ioc iod ioi iom ioo ior ir- irb irc ird iri irk irm iro irr kbb kbc kbd kbi kbk kbm kbo kbr kcb kcc kcd kci kck kcm kcr kdb kdc kdk kdm kdo kdr kib kic kid kii kik kim kio kir kkb kkc kki kkk kkm kkr kmb kmc kmd kmi kmk kmm kmo kob koc kod koi kok kom koo kor krc krd kri krk kro krr m-o m-r mbb mbc mbd mbi mbk mbm mbo mbr mc- mcb mcc mcd mci mck mcm mco mcr mdb mdc mdd mdi mdk mdm mdo mdr mi- mib mic mid mii mik mim mio mir mkb mkc mkd mkk mkm mko mkr mmb mmc mmd mmi mmk mmm mmo mmr mob moc mod moi mok mom moo mor mrb mrc mrd mri mrk mrm mro mrr o-i ob- obb obc obd obi obk obm obo obr oc- ocb occ ocd oci ock ocm oco ocr odb odc odd odi odm odo odr oib oic oid oii oik oim oio oir okb okc okd oki okk oko okr om- omb omc omd omi omm omo omr oo- oob ooc ood ooi ook oom ooo oor or- orb orc ord ori ork orm oro orr rbb rbc rbd rbi rbk rbm rbo rbr rcb rcc rcd rci rcm rco rcr rdb rdc rdd rdi rdm rdo rdr rib ric rid rii rik rim rio rir rkb rkc rkk rkm rko rmb rmc rmd rmi rmm rmo rmr rob roc rod roi rok rom roo ror rrb rrc rrd rri rrk rrm rrr