-th bbb bbc bbe bbh bbm bbt bcb bcc bce bch bcm bct be- beb bec bee beh bem bet bhb bhc bhe bhh bhm bht bmb bmc bme bmh bmm bmt btb btc bte bth btm btt c-- cbb cbc cbe cbh cbm cbt ccb ccc cce cch ccm cct ce- ceb cec cee ceh cem cet ch- chb chc che chh chm cht cmb cmc cme cmh cmm cmt ctb ctc cte cth ctm ctt ebb ebc ebe ebh ebm ebt ec- ecb ecc ece ech ecm ect eeb eec eee eem eet ehb ehc ehe ehh ehm eht em- emb emc eme emh emm emt etb etc ete eth etm ett hbb hbc hbe hbh hbm hbt hcb hcc hce hch hcm hct he- heb hec hee heh hem het hhb hhc hhe hhh hhm hht hmb hmc hme hmh hmm hmt htb htc hte hth htm htt mbb mbc mbe mbh mbm mbt mc- mcb mcc mce mch mcm mct meb mec mee meh mem met mhc mhh mhm mht mmb mmc mme mmh mmm mmt mtb mtc mte mth mtm mtt tbb tbc tbe tbh tbm tbt tcb tcc tce tch tcm tct te- teb tec tee teh tem tet th- thb thc the thh thm tht tmb tmc tme tmh tmm tmt ttb ttc tte tth ttm ttt