-ic -ol c-- ccc ccd cch cci ccl cco ccs cdc cdd cdh cdi cdl cdo cds ch- chc chd chh chi chl cho chs ci- cic cid cih cii cil cio cis cl- clc cld clh cli cll clo cls co- coc cod coh coi col coo cos csc csd csh csi csl cso css dcc dcd dci dcl dco dcs ddc ddd ddh ddi ddl ddo dds dh- dhc dhd dhh dhi dhl dho dhs di- dic did dih dii dil dio dis dl- dlc dld dlh dli dll dlo dls doc dod doh doi dol doo dos dsc dsd dsh dsi dsl dso dss h-i hcc hcd hch hci hcl hco hcs hdc hdd hdh hdi hdl hdo hds hhc hhd hhh hhi hhl hho hhs hic hid hih hii hil hio his hlc hld hlh hli hll hlo hls hoc hod hoh hoi hol hoo hos hsc hsd hsh hsi hsl hss i-d icc icd ich ici icl ico ics idc idd idh idi idl ido ids ihc ihd ihh ihi ihl iho ihs iic iid iih iii iil iio iis il- ilc ild ilh ili ill ilo ils io- ioc iod ioh ioi iol ioo ios is- isc isd ish isi isl iso iss lcc lcd lch lci lcl lco lcs ldc ldd ldh ldi ldl ldo lds lhc lhd lhh lhi lho lhs lic lid lih lii lil lio lis llc lld lli lll llo lls loc lod loh loi lol loo los lsc lsd lsh lsi lsl lso lss o-i oc- occ ocd och oci ocl oco ocs odc odd odh odi odl odo ods ohc ohd ohh ohi ohl oho ohs oic oid oii oil oio ois olc old oli oll olo ols oo- ooc ood ooh ooi ool ooo oos os- osc osd osh osi osl oso oss scc scd sch sci scl sco scs sdc sdd sdh sdi sdl sdo sds sh- shc shd shh shi shl sho shs sic sid sih sii sil sio sis slc sld slh sli sll slo sls soc sod soh soi sol soo sos ss- ssc ssd ssh ssi ssl sso sss