-ic -ol c-- ccc ccd cci ccl cco ccr cdc cdd cdi cdl cdo cdr ci- cic cid cii cil cio cir cl- clc cld cli cll clo clr co- coc cod coi col coo cor crc crd cri crl cro crr dcc dcd dci dcl dco dcr ddc ddd ddi ddl ddo ddr di- dic did dii dil dio dir dl- dlc dld dli dll dlo dlr doc dod doi dol doo dor drc drd dri drl dro drr i-d icc icd ici icl ico icr idc idd idi idl ido idr iic iid iii iil iio iir il- ilc ild ili ill ilo ilr io- ioc iod ioi iol ioo ior ir- irc ird iri irl iro irr lcc lcd lci lcl lco lcr ldc ldd ldi ldl ldo ldr lic lid lii lil lio lir llc lld lli lll llo llr loc lod loi lol loo lor lrc lrd lri lro lrr o-i oc- occ ocd oci ocl oco ocr odc odd odi odl odo odr oic oid oii oil oio oir olc old oli oll olo oo- ooc ood ooi ool ooo oor or- orc ord ori orl oro orr rcc rcd rci rcl rco rcr rdc rdd rdi rdl rdo rdr ric rid rii ril rio rir rlc rld rli rll rlo rlr roc rod roi rol roo ror rrc rrd rri rrl rrr