-ic c-- ccc ccd cce ccf cci ccn cco ccp ccs cdc cdd cde cdf cdi cdn cdo cdp cds ce- cec ced cee cef cei cen ceo cep ces cfc cfd cfe cff cfi cfn cfo cfp cfs ci- cic cid cie cif cii cin cio cip cis cn- cnc cnd cne cnf cni cnn cno cnp cns co- coc cod coe cof coi con coo cop cos cpc cpd cpe cpf cpi cpn cpo cpp cps csc csd cse csf csi csn cso csp css dcc dcd dce dcf dci dcn dco dcp dcs ddc ddd dde ddf ddi ddn ddo ddp dds de- dec ded dee def dei den deo dep des dfc dfd dfe dff dfi dfn dfo dfp dfs di- dic did die dif dii din dio dip dis dnc dnd dne dnf dni dnn dno dnp dns doc dod doe dof doi don doo dop dos dpc dpd dpe dpf dpi dpn dpo dpp dps dsc dsd dse dsf dsi dsn dso dsp dss ec- ecc ecd ece ecf eci ecn eco ecs ed- edc edd ede edf edi edn edo edp eds eec eed eee eef een eeo eep ees ef- efc efd efe eff efi efo efp efs eic eid eie eif eii ein eio eip eis en- enc end ene enf eni enn eno enp ens eo- eoc eod eoe eof eoi eon eoo eop eos ep- epc epd epe epf epi epn epo epp eps es- esc esd ese esf esi esn eso esp ess fcc fcd fce fcf fci fcn fco fcp fcs fdc fdd fde fdf fdi fdn fdo fdp fds fec fed fee fef fei fen feo fep fes ffc ffd ffe fff ffi ffn ffo ffp ffs fic fid fie fif fii fin fip fis fnc fnd fne fnf fni fnn fnp fns foc foe fof foi fon foo fop fos fpc fpd fpe fpi fpn fpo fpp fps fsc fsd fse fsf fsi fsn fso fsp fss i-d i-f icc icd ice icf ici icn ico icp ics idc idd ide idf idi idn ido idp ids ie- iec ied iee ief iei ien iep ies ifc ifd ife iff ifi ifn ifo ifp ifs iic iid iie iif iii iin iio iip iis in- inc ind ine inf ini inn ino inp ins io- ioc iod ioe iof ioi ion ioo iop ios ipc ipd ipe ipf ipi ipn ipo ipp ips is- isc isd ise isf isi isn iso isp iss n-i ncc ncd nce ncf nci ncn nco ncp ncs ndc ndd nde ndf ndi ndn ndo ndp nds ne- nec ned nee nef nei nen neo nep nes nfc nfd nfe nff nfi nfn nfo nfp nfs nic nid nie nif nii nin nio nip nis nnc nne nnf nni nnn nno nnp nns no- noc nod noe nof noi non noo nop nos npc npd npe npf npi npn npo npp nps nsc nsd nse nsf nsi nsn nso nsp nss o-i oc- occ ocd ocf oci ocn oco ocp ocs odc odd ode odf odi odn odo odp ods oec oed oee oef oei oen oeo oep oes of- ofc ofd ofe off ofi ofn ofo ofp ofs oic oid oie oif oii oin oio oip ois on- onc ond one onf oni onn ono onp ons oo- ooc ood oof ooi oon ooo oop oos op- opc opd ope opf opi opn opo opp ops os- osc osd ose osf osi osn oso osp oss p-p pcc pcd pce pcf pci pcn pco pcp pcs pdc pdd pde pdf pdi pdn pdo pdp pds pec ped pee pef pei pen peo pep pes pfc pfd pfe pff pfi pfn pfo pfp pfs pic pid pie pif pii pin pio pip pis pn- pnc pnd pne pnf pni pnn pno pnp pns poc pod poe pof poi pon poo pop pos ppc ppd ppe ppf ppi ppn ppo ppp pps ps- psc psd pse psf psi psn pso psp pss scc scd sce scf sci scn sco scp scs sdc sdd sde sdf sdi sdn sdo sdp sds se- sec sed see sef sei sen seo sep ses sfc sfd sfe sff sfi sfn sfo sfp sfs sic sid sie sif sii sin sio sip sis snc snd sne snf sni snn sno snp sns soc sod soe sof soi son soo sop sos spc spd spe spf spi spn spo spp sps ss- ssc ssd sse ssf ssi ssn sso ssp sss