-ic c-- ccc ccd cce cci cck ccn ccp ccs cdc cdd cde cdi cdk cdn cdp cds ce- cec ced cee cei cek cen cep ces ci- cic cid cie cii cik cin cip cis ckc ckd cki cks cn- cnc cnd cne cni cnn cnp cns cpc cpd cpe cpi cpk cpn cpp cps csc csd cse csi csk csn csp css dcc dcd dce dci dck dcn dcp dcs ddc ddd dde ddi ddk ddn ddp dds de- dec ded dee dei dek den dep des di- dic did die dii dik din dip dis dkc dke dki dkk dkp dks dnc dnd dne dni dnk dnn dnp dns dpc dpd dpe dpi dpk dpn dpp dps dsc dsd dse dsi dsk dsn dsp dss ec- ecc ecd ece eci eck ecn ecs ed- edc edd ede edi edk edn edp eds eec eed eee eek een eep ees eic eid eie eii eik ein eip eis ekc ekd eke eki ekp eks en- enc end ene eni enk enn enp ens ep- epc epd epe epi epn epp eps es- esc esd ese esi esk esn esp ess i-d icc icd ice ici ick icn icp ics idc idd ide idi idk idn idp ids ie- iec ied iee iei iek ien iep ies iic iid iie iii iin iip iis ikc ike iki ikk iks in- inc ind ine ini ink inn inp ins ipc ipd ipe ipi ipn ipp ips is- isc isd ise isi isk isn isp iss kcc kcd kce kci kck kcn kcp kcs kdc kde kdk kdp kds ke- kec ked kee kei kek ken kep kes kic kid kie kii kik kin kip kis kkc kke kki kkk kkn kkp kks kn- knc knd kne kni knk knn knp kpc kpd kpe kpi kpk kpn kpp kps ksc ksd kse ksi ksk ksn ksp kss n-i ncc ncd nce nci nck ncn ncp ncs ndc ndd nde ndi ndk ndn ndp nds ne- nec ned nee nei nek nen nep nes nic nid nie nii nik nin nip nis nkc nke nki nkk nkn nkp nks nnc nne nni nnk nnn nnp nns npc npd npe npi npn npp nps nsc nsd nse nsi nsk nsn nsp nss p-p pcc pcd pce pci pck pcn pcp pcs pdc pdd pde pdi pdk pdn pdp pds pec ped pee pei pek pen pep pes pic pid pie pii pik pin pip pis pkc pkd pke pki pkn pkp pks pn- pnc pnd pne pni pnk pnn pnp pns ppc ppd ppe ppi ppk ppn ppp pps ps- psc psd pse psi psk psn psp pss scc scd sce sci sck scn scp scs sdc sdd sde sdi sdk sdn sdp sds se- sec sed see sei sek sen sep ses sic sid sie sii sik sin sip sis sk- skc skd ske ski skk skp sks snc snd sne sni snk snn snp sns spc spd spe spi spk spn spp sps ss- ssc ssd sse ssi ssk ssn ssp sss