-ic -ol c-- ccc ccd cci cck ccl cco ccr cdc cdd cdi cdk cdl cdo cdr ci- cic cid cii cik cil cio cir ckc ckd cki cko cl- clc cld cli clk cll clo clr co- coc cod coi cok col coo cor crc crd cri crk crl cro crr dcc dcd dci dck dcl dco dcr ddc ddd ddi ddk ddl ddo ddr di- dic did dii dik dil dio dir dkc dki dkk dkl dko dkr dl- dlc dld dli dlk dll dlo dlr doc dod doi dok dol doo dor drc drd dri drk drl dro drr i-d icc icd ici ick icl ico icr idc idd idi idk idl ido idr iic iid iii iil iio iir ikc iki ikk ikl iko ikr il- ilc ild ili ilk ill ilo ilr io- ioc iod ioi iol ioo ior ir- irc ird iri irk irl iro irr kcc kcd kci kck kcl kcr kdc kdk kdl kdo kdr kic kid kii kik kil kio kir kkc kki kkk kkl kkr kl- klc kld kli klo klr koc kod koi kok kol koo kor krc krd kri krk krl kro krr lcc lcd lci lck lcl lco lcr ldc ldd ldi ldk ldl ldo ldr lic lid lii lik lil lio lir lkl lkr llc lld lli llk lll llo llr loc lod loi lok lol loo lor lrc lrd lri lrk lro lrr o-i oc- occ ocd oci ock ocl oco ocr odc odd odi odl odo odr oic oid oii oik oil oio oir okc okd oki okk okl oko okr olc old oli olk oll olo oo- ooc ood ooi ook ool ooo oor or- orc ord ori ork orl oro orr rcc rcd rci rcl rco rcr rdc rdd rdi rdl rdo rdr ric rid rii rik ril rio rir rkc rkk rko rlc rld rli rll rlo rlr roc rod roi rok rol roo ror rrc rrd rri rrk rrl rrr