-ic -ol c-- ccc ccd cci cck ccl ccn cco ccr cdc cdd cdi cdk cdl cdn cdo cdr ci- cic cid cii cik cil cin cio cir ckc ckd cki cko cl- clc cld cli clk cll cln clo clr cn- cnc cnd cni cnl cnn cno cnr co- coc cod coi cok col con coo cor crc crd cri crk crl crn cro crr dcc dcd dci dck dcl dcn dco dcr ddc ddd ddi ddk ddl ddn ddo ddr di- dic did dii dik dil din dio dir dkc dki dkk dkl dko dkr dl- dlc dld dli dlk dll dlo dlr dnc dnd dni dnk dnl dnn dno dnr doc dod doi dok dol don doo dor drc drd dri drk drl drn dro drr i-d icc icd ici ick icl icn ico icr idc idd idi idk idl idn ido idr iic iid iii iil iin iio iir ikc iki ikk ikl iko ikr il- ilc ild ili ilk ill iln ilo ilr in- inc ind ini ink inl inn ino inr io- ioc iod ioi iol ion ioo ior ir- irc ird iri irk irl irn iro irr kcc kcd kci kck kcl kcn kcr kdc kdk kdl kdo kdr kic kid kii kik kil kin kio kir kkc kki kkk kkl kkn kkr kl- klc kld kli klo klr kn- knc knd kni knk knl knn kno knr koc kod koi kok kol kon koo kor krc krd kri krk krl krn kro krr lcc lcd lci lck lcl lcn lco lcr ldc ldd ldi ldk ldl ldn ldo ldr lic lid lii lik lil lin lio lir lkl lkr llc lld lli llk lll lln llo llr lnc lnd lni lnk lnl lnn lno lnr loc lod loi lok lol lon loo lor lrc lrd lri lrk lrn lro lrr n-i ncc ncd nci nck ncl ncn nco ncr ndc ndd ndi ndk ndl ndn ndo ndr nic nid nii nik nil nin nio nir nkc nki nkk nkn nko nkr nlc nld nli nlk nll nln nlo nlr nnc nni nnk nnl nnn nno no- noc nod noi nok nol non noo nor nrc nrd nri nrk nrl nrn nro nrr o-i oc- occ ocd oci ock ocl ocn oco ocr odc odd odi odl odn odo odr oic oid oii oik oil oin oio oir okc okd oki okk okl oko okr olc old oli olk oll oln olo on- onc ond oni onk onl onn ono onr oo- ooc ood ooi ook ool oon ooo oor or- orc ord ori ork orl orn oro orr rcc rcd rci rcl rcn rco rcr rdc rdd rdi rdl rdn rdo rdr ric rid rii rik ril rin rio rir rkc rkk rko rlc rld rli rll rln rlo rlr rnc rnd rni rnn rno rnr roc rod roi rok rol ron roo ror rrc rrd rri rrk rrl rrn rrr