-ic -ol c-- ccc ccd cci ccl cco ccs cdc cdd cdi cdl cdo cds ci- cic cid cii cil cio cis cl- clc cld cli cll clo cls co- coc cod coi col coo cos csc csd csi csl cso css dcc dcd dci dcl dco dcs ddc ddd ddi ddl ddo dds di- dic did dii dil dio dis dl- dlc dld dli dll dlo dls doc dod doi dol doo dos dsc dsd dsi dsl dso dss i-d icc icd ici icl ico ics idc idd idi idl ido ids iic iid iii iil iio iis il- ilc ild ili ill ilo ils io- ioc iod ioi iol ioo ios is- isc isd isi isl iso iss lcc lcd lci lcl lco lcs ldc ldd ldi ldl ldo lds lic lid lii lil lio lis llc lld lli lll llo lls loc lod loi lol loo los lsc lsd lsi lsl lso lss o-i oc- occ ocd oci ocl oco ocs odc odd odi odl odo ods oic oid oii oil oio ois olc old oli oll olo ols oo- ooc ood ooi ool ooo oos os- osc osd osi osl oso oss scc scd sci scl sco scs sdc sdd sdi sdl sdo sds sic sid sii sil sio sis slc sld sli sll slo sls soc sod soi sol soo sos ss- ssc ssd ssi ssl sso sss