-ol bbb bbc bbe bbh bbl bbm bbo bcb bcc bce bch bcl bcm bco be- beb bec bee beh bel bem beo bhb bhc bhe bhh bhl bhm bho blb blc ble blh bll blm blo bmb bmc bme bmh bml bmm bmo bob boc boe boh bol bom boo c-- cbb cbc cbe cbh cbl cbm cbo ccb ccc cce cch ccl ccm cco ce- ceb cec cee ceh cel cem ceo ch- chb chc che chh chl chm cho cl- clb clc cle clh cll clm clo cmb cmc cme cmh cml cmm cmo co- cob coc coe coh col com coo ebb ebc ebe ebh ebl ebm ebo ec- ecb ecc ece ech ecl ecm eco eeb eec eee eel eem eeo ehb ehc ehe ehh ehl ehm eho elb elc ele elh ell elm elo em- emb emc eme emh eml emm emo eo- eob eoc eoe eoh eol eom eoo hbb hbc hbe hbh hbl hbm hbo hcb hcc hce hch hcl hcm hco he- heb hec hee heh hel hem heo hhb hhc hhe hhh hhl hhm hho hlb hlc hle hlh hll hlm hlo hmb hmc hme hmh hml hmm hmo hob hoc hoe hoh hol hom hoo lbb lbc lbe lbh lbl lbm lbo lcb lcc lce lch lcl lcm lco leb lec lee leh lel lem leo lhb lhc lhh lho llb llc lle lll llm llo lmb lmc lme lmh lml lmm lmo lob loc loe loh lol lom loo m-o mbb mbc mbe mbh mbl mbm mbo mc- mcb mcc mce mch mcl mcm mco meb mec mee meh mel mem meo mhc mhh mhl mhm mho mlb mlc mle mlh mll mlm mlo mmb mmc mme mmh mml mmm mmo mob moc moe moh mol mom moo ob- obb obc obe obh obl obm obo oc- ocb occ och ocl ocm oco oeb oec oee oeh oel oem oeo ohc ohe ohh ohl ohm oho olb olc ole oll olm olo om- omb omc ome omh oml omm omo oo- oob ooc ooh ool oom ooo