-ic c-- ccc ccd cci cck ccp ccs cdc cdd cdi cdk cdp cds ci- cic cid cii cik cip cis ckc ckd cki cks cpc cpd cpi cpk cpp cps csc csd csi csk csp css dcc dcd dci dck dcp dcs ddc ddd ddi ddk ddp dds di- dic did dii dik dip dis dkc dki dkk dkp dks dpc dpd dpi dpk dpp dps dsc dsd dsi dsk dsp dss i-d icc icd ici ick icp ics idc idd idi idk idp ids iic iid iii iip iis ikc iki ikk iks ipc ipd ipi ipp ips is- isc isd isi isk isp iss kcc kcd kci kck kcp kcs kdc kdk kdp kds kic kid kii kik kip kis kkc kki kkk kkp kks kpc kpd kpi kpk kpp kps ksc ksd ksi ksk ksp kss p-p pcc pcd pci pck pcp pcs pdc pdd pdi pdk pdp pds pic pid pii pik pip pis pkc pkd pki pkp pks ppc ppd ppi ppk ppp pps ps- psc psd psi psk psp pss scc scd sci sck scp scs sdc sdd sdi sdk sdp sds sic sid sii sik sip sis sk- skc skd ski skk skp sks spc spd spi spk spp sps ss- ssc ssd ssi ssk ssp sss