-ic c-- ccc ccd cce cci ccp ccs cct cdc cdd cde cdi cdp cds cdt ce- cec ced cee cei cep ces cet ci- cic cid cie cii cip cis cit cpc cpd cpe cpi cpp cps cpt csc csd cse csi csp css cst ctc ctd cte cti ctp cts ctt dcc dcd dce dci dcp dcs dct ddc ddd dde ddi ddp dds ddt de- dec ded dee dei dep des det di- dic did die dii dip dis dit dpc dpd dpe dpi dpp dps dpt dsc dsd dse dsi dsp dss dst dtc dtd dte dti dtp dts dtt ec- ecc ecd ece eci ecs ect ed- edc edd ede edi edp eds edt eec eed eee eep ees eet eic eid eie eii eip eis eit ep- epc epd epe epi epp eps ept es- esc esd ese esi esp ess est etc etd ete eti etp ets ett i-d icc icd ice ici icp ics ict idc idd ide idi idp ids idt ie- iec ied iee iei iep ies iet iic iid iie iii iip iis iit ipc ipd ipe ipi ipp ips ipt is- isc isd ise isi isp iss ist itc itd ite iti itp its itt p-p pcc pcd pce pci pcp pcs pct pdc pdd pde pdi pdp pds pdt pec ped pee pei pep pes pet pic pid pie pii pip pis pit ppc ppd ppe ppi ppp pps ppt ps- psc psd pse psi psp pss pst pt- ptc ptd pte pti ptp pts ptt scc scd sce sci scp scs sct sdc sdd sde sdi sdp sds sdt se- sec sed see sei sep ses set sic sid sie sii sip sis sit spc spd spe spi spp sps spt ss- ssc ssd sse ssi ssp sss sst stc std ste sti stp sts stt tcc tcd tce tci tcp tcs tct tdc tdd tde tdi tdp tds tdt te- tec ted tee tei tep tes tet tic tid tie tii tip tis tit tpc tpd tpe tpi tpp tps tpt tsc tsd tse tsi tsp tss tst ttc ttd tte tti ttp tts ttt