-ic c-- ccc ccd cci cck ccn cco ccr cdc cdd cdi cdk cdn cdo cdr ci- cic cid cii cik cin cio cir ckc ckd cki cko cn- cnc cnd cni cnn cno cnr co- coc cod coi cok con coo cor crc crd cri crk crn cro crr dcc dcd dci dck dcn dco dcr ddc ddd ddi ddk ddn ddo ddr di- dic did dii dik din dio dir dkc dki dkk dko dkr dnc dnd dni dnk dnn dno dnr doc dod doi dok don doo dor drc drd dri drk drn dro drr i-d icc icd ici ick icn ico icr idc idd idi idk idn ido idr iic iid iii iin iio iir ikc iki ikk iko ikr in- inc ind ini ink inn ino inr io- ioc iod ioi ion ioo ior ir- irc ird iri irk irn iro irr kcc kcd kci kck kcn kcr kdc kdk kdo kdr kic kid kii kik kin kio kir kkc kki kkk kkn kkr kn- knc knd kni knk knn kno knr koc kod koi kok kon koo kor krc krd kri krk krn kro krr n-i ncc ncd nci nck ncn nco ncr ndc ndd ndi ndk ndn ndo ndr nic nid nii nik nin nio nir nkc nki nkk nkn nko nkr nnc nni nnk nnn nno no- noc nod noi nok non noo nor nrc nrd nri nrk nrn nro nrr o-i oc- occ ocd oci ock ocn oco ocr odc odd odi odn odo odr oic oid oii oik oin oio oir okc okd oki okk oko okr on- onc ond oni onk onn ono onr oo- ooc ood ooi ook oon ooo oor or- orc ord ori ork orn oro orr rcc rcd rci rcn rco rcr rdc rdd rdi rdn rdo rdr ric rid rii rik rin rio rir rkc rkk rko rnc rnd rni rnn rno rnr roc rod roi rok ron roo ror rrc rrd rri rrk rrn rrr