-ol c-- ccc ccd cch ccl ccm cco ccs cdc cdd cdh cdl cdm cdo cds ch- chc chd chh chl chm cho chs cl- clc cld clh cll clm clo cls cmc cmd cmh cml cmm cmo cms co- coc cod coh col com coo cos csc csd csh csl csm cso css dcc dcd dcl dcm dco dcs ddc ddd ddh ddl ddm ddo dds dh- dhc dhd dhh dhl dhm dho dhs dl- dlc dld dlh dll dlm dlo dls dmc dmd dmh dml dmm dmo dms doc dod doh dol dom doo dos dsc dsd dsh dsl dsm dso dss hcc hcd hch hcl hcm hco hcs hdc hdd hdh hdl hdm hdo hds hhc hhd hhh hhl hhm hho hhs hlc hld hlh hll hlm hlo hls hmc hmd hmh hml hmm hmo hms hoc hod hoh hol hom hoo hos hsc hsd hsh hsl hsm hss lcc lcd lch lcl lcm lco lcs ldc ldd ldh ldl ldm ldo lds lhc lhd lhh lho lhs llc lld lll llm llo lls lmc lmd lmh lml lmm lmo lms loc lod loh lol lom loo los lsc lsd lsh lsl lsm lso lss m-o mc- mcc mcd mch mcl mcm mco mcs mdc mdd mdh mdl mdm mdo mds mhc mhd mhh mhl mhm mho mhs mlc mld mlh mll mlm mlo mls mmc mmd mmh mml mmm mmo mms moc mod moh mol mom moo mos msc msd msh msl msm mso mss oc- occ ocd och ocl ocm oco ocs odc odd odh odl odm odo ods ohc ohd ohh ohl ohm oho ohs olc old oll olm olo ols om- omc omd omh oml omm omo oms oo- ooc ood ooh ool oom ooo oos os- osc osd osh osl osm oso oss scc scd sch scl scm sco scs sdc sdd sdh sdl sdm sdo sds sh- shc shd shh shl shm sho shs slc sld slh sll slm slo sls smc smd smh sml smm smo sms soc sod soh sol som soo sos ss- ssc ssd ssh ssl ssm sso sss