-ic -ol c-- ccc ccd cci ccl cco ccr ccs cdc cdd cdi cdl cdo cdr cds ci- cic cid cii cil cio cir cis cl- clc cld cli cll clo clr cls co- coc cod coi col coo cor cos crc crd cri crl cro crr crs csc csd csi csl cso csr css dcc dcd dci dcl dco dcr dcs ddc ddd ddi ddl ddo ddr dds di- dic did dii dil dio dir dis dl- dlc dld dli dll dlo dlr dls doc dod doi dol doo dor dos drc drd dri drl dro drr drs dsc dsd dsi dsl dso dsr dss i-d icc icd ici icl ico icr ics idc idd idi idl ido idr ids iic iid iii iil iio iir iis il- ilc ild ili ill ilo ilr ils io- ioc iod ioi iol ioo ior ios ir- irc ird iri irl iro irr irs is- isc isd isi isl iso isr iss lcc lcd lci lcl lco lcr lcs ldc ldd ldi ldl ldo ldr lds lic lid lii lil lio lir lis llc lld lli lll llo llr lls loc lod loi lol loo lor los lrc lrd lri lro lrr lrs lsc lsd lsi lsl lso lsr lss o-i oc- occ ocd oci ocl oco ocr ocs odc odd odi odl odo odr ods oic oid oii oil oio oir ois olc old oli oll olo ols oo- ooc ood ooi ool ooo oor oos or- orc ord ori orl oro orr ors os- osc osd osi osl oso osr oss rcc rcd rci rcl rco rcr rcs rdc rdd rdi rdl rdo rdr rds ric rid rii ril rio rir ris rlc rld rli rll rlo rlr rls roc rod roi rol roo ror ros rrc rrd rri rrl rrr rrs rsc rsd rsi rsl rso rsr rss scc scd sci scl sco scr scs sdc sdd sdi sdl sdo sdr sds sic sid sii sil sio sir sis slc sld sli sll slo slr sls soc sod soi sol soo sor sos sr- src srd sri srl sro srr srs ss- ssc ssd ssi ssl sso ssr sss