-ic c-- ccc ccd cci ccn cco ccp ccr cdc cdd cdi cdn cdo cdp cdr ci- cic cid cii cin cio cip cir cn- cnc cnd cni cnn cno cnp cnr co- coc cod coi con coo cop cor cpc cpd cpi cpn cpo cpp cpr crc crd cri crn cro crp crr dcc dcd dci dcn dco dcp dcr ddc ddd ddi ddn ddo ddp ddr di- dic did dii din dio dip dir dnc dnd dni dnn dno dnp dnr doc dod doi don doo dop dor dpc dpd dpi dpn dpo dpp dpr drc drd dri drn dro drp drr i-d icc icd ici icn ico icp icr idc idd idi idn ido idp idr iic iid iii iin iio iip iir in- inc ind ini inn ino inp inr io- ioc iod ioi ion ioo iop ior ipc ipd ipi ipn ipo ipp ipr ir- irc ird iri irn iro irp irr n-i ncc ncd nci ncn nco ncp ncr ndc ndd ndi ndn ndo ndp ndr nic nid nii nin nio nip nir nnc nni nnn nno nnp no- noc nod noi non noo nop nor npc npd npi npn npo npp npr nrc nrd nri nrn nro nrp nrr o-i oc- occ ocd oci ocn oco ocp ocr odc odd odi odn odo odp odr oic oid oii oin oio oip oir on- onc ond oni onn ono onp onr oo- ooc ood ooi oon ooo oop oor op- opc opd opi opn opo opp opr or- orc ord ori orn oro orp orr p-p pcc pcd pci pcn pco pcp pcr pdc pdd pdi pdn pdo pdp pdr pic pid pii pin pio pip pir pn- pnc pnd pni pnn pno pnp pnr poc pod poi pon poo pop por ppc ppd ppi ppn ppo ppp ppr prc prd pri prn pro prp prr rcc rcd rci rcn rco rcp rcr rdc rdd rdi rdn rdo rdp rdr ric rid rii rin rio rip rir rnc rnd rni rnn rno rnp rnr roc rod roi ron roo rop ror rpc rpd rpi rpn rpo rpp rpr rrc rrd rri rrn rrp rrr