bbb bbc bbe bbm bbo bbq bcb bcc bce bcm bco bcq be- beb bec bee bem beo beq bmb bmc bme bmm bmo bmq bob boc boe bom boo boq bqc bqe c-- cbb cbc cbe cbm cbo cbq ccb ccc cce ccm cco ce- ceb cec cee cem ceo ceq cmb cmc cme cmm cmo cmq co- cob coc coe com coo coq cqb cqc cqm cqo ebb ebc ebe ebm ebo ebq ec- ecb ecc ece ecm eco ecq eeb eec eee eem eeo em- emb emc eme emm emo eo- eob eoc eoe eom eoo eoq eqe eqq m-o mbb mbc mbe mbm mbo mbq mc- mcb mcc mce mcm mco mcq meb mec mee mem meo meq mmb mmc mme mmm mmo mob moc moe mom moo mqb ob- obb obc obe obm obo oc- ocb occ ocm oco oeb oec oee oem oeo om- omb omc ome omm omo oo- oob ooc oom ooo oqb oqo qbc qbe qbq qcc qcm qco qec qee qem qeo qmc qme qom qoo qqq