-ic c-- ccc ccd cce cci ccn ccp ccs ccx cdc cdd cde cdi cdn cdp cds cdx ce- cec ced cee cei cen cep ces cex ci- cic cid cie cii cin cip cis cix cn- cnc cnd cne cni cnn cnp cns cnx cpc cpd cpe cpi cpn cpp cps cpx csc csd cse csi csn csp css csx cxc cxi cxp cxs cxx dcc dcd dce dci dcn dcp dcs dcx ddc ddd dde ddi ddn ddp dds ddx de- dec ded dee dei den dep des dex di- dic did die dii din dip dis dix dnc dnd dne dni dnn dnp dns dpc dpd dpe dpi dpn dpp dps dsc dsd dse dsi dsn dsp dss dsx dxc dxd dxi dxn dxp dxs dxx ec- ecc ecd ece eci ecn ecs ecx ed- edc edd ede edi edn edp eds edx eec eed eee een eep ees eex eic eid eie eii ein eip eis eix en- enc end ene eni enn enp ens ep- epc epd epe epi epn epp eps epx es- esc esd ese esi esn esp ess esx ex- exc exd exe exi exp exs exx i-d icc icd ice ici icn icp ics idc idd ide idi idn idp ids idx ie- iec ied iee iei ien iep ies iex iic iid iie iii iin iip iis iix in- inc ind ine ini inn inp ins inx ipc ipd ipe ipi ipn ipp ips ipx is- isc isd ise isi isn isp iss ixc ixe ixi ixn n-i ncc ncd nce nci ncn ncp ncs ncx ndc ndd nde ndi ndn ndp nds ne- nec ned nee nei nen nep nes nex nic nid nie nii nin nip nis nix nnc nne nni nnn nnp nns npc npd npe npi npn npp nps nsc nsd nse nsi nsn nsp nss nsx nxc nxd p-p pcc pcd pce pci pcn pcp pcs pcx pdc pdd pde pdi pdn pdp pds pdx pec ped pee pei pen pep pes pex pic pid pie pii pin pip pis pix pn- pnc pnd pne pni pnn pnp pns pnx ppc ppd ppe ppi ppn ppp pps ppx ps- psc psd pse psi psn psp pss psx pxc pxe pxs scc scd sce sci scn scp scs scx sdc sdd sde sdi sdn sdp sds se- sec sed see sei sen sep ses sex sic sid sie sii sin sip sis six snc snd sne sni snn snp sns spc spd spe spi spn spp sps spx ss- ssc ssd sse ssi ssn ssp sss ssx sxc sxi sxn sxs xcd xci xcp xcx xdc xde xdi xds xed xee xen xep xes xex xic xie xii xin xis xix xnc xns xpc xpd xpe xpn xpp xps xsc xsi xsp xss xxi xxp xxx