-ic c-- ccc ccd cce cci cco ccp ccs cdc cdd cde cdi cdo cdp cds ce- cec ced cee cei ceo cep ces ci- cic cid cie cii cio cip cis co- coc cod coe coi coo cop cos cpc cpd cpe cpi cpo cpp cps csc csd cse csi cso csp css dcc dcd dce dci dco dcp dcs ddc ddd dde ddi ddo ddp dds de- dec ded dee dei deo dep des di- dic did die dii dio dip dis doc dod doe doi doo dop dos dpc dpd dpe dpi dpo dpp dps dsc dsd dse dsi dso dsp dss ec- ecc ecd ece eci eco ecs ed- edc edd ede edi edo edp eds eec eed eee eeo eep ees eic eid eie eii eio eip eis eo- eoc eod eoe eoi eoo eop eos ep- epc epd epe epi epo epp eps es- esc esd ese esi eso esp ess i-d icc icd ice ici ico icp ics idc idd ide idi ido idp ids ie- iec ied iee iei iep ies iic iid iie iii iio iip iis io- ioc iod ioe ioi ioo iop ios ipc ipd ipe ipi ipo ipp ips is- isc isd ise isi iso isp iss o-i oc- occ ocd oci oco ocp ocs odc odd ode odi odo odp ods oec oed oee oei oeo oep oes oic oid oie oii oio oip ois oo- ooc ood ooi ooo oop oos op- opc opd ope opi opo opp ops os- osc osd ose osi oso osp oss p-p pcc pcd pce pci pco pcp pcs pdc pdd pde pdi pdo pdp pds pec ped pee pei peo pep pes pic pid pie pii pio pip pis poc pod poe poi poo pop pos ppc ppd ppe ppi ppo ppp pps ps- psc psd pse psi pso psp pss scc scd sce sci sco scp scs sdc sdd sde sdi sdo sdp sds se- sec sed see sei seo sep ses sic sid sie sii sio sip sis soc sod soe soi soo sop sos spc spd spe spi spo spp sps ss- ssc ssd sse ssi sso ssp sss