-ic c-- ccc ccd cce ccf cci cco ccp ccs cct cdc cdd cde cdf cdi cdo cdp cds cdt ce- cec ced cee cef cei ceo cep ces cet cfc cfd cfe cff cfi cfo cfp cfs cft ci- cic cid cie cif cii cio cip cis cit co- coc cod coe cof coi coo cop cos cot cpc cpd cpe cpf cpi cpo cpp cps cpt csc csd cse csf csi cso csp css cst ctc ctd cte ctf cti cto ctp cts ctt dcc dcd dce dcf dci dco dcp dcs dct ddc ddd dde ddf ddi ddo ddp dds ddt de- dec ded dee def dei deo dep des det dfc dfd dfe dff dfi dfo dfp dfs dft di- dic did die dif dii dio dip dis dit doc dod doe dof doi doo dop dos dot dpc dpd dpe dpf dpi dpo dpp dps dpt dsc dsd dse dsf dsi dso dsp dss dst dtc dtd dte dtf dti dto dtp dts dtt ec- ecc ecd ece ecf eci eco ecs ect ed- edc edd ede edf edi edo edp eds edt eec eed eee eef eeo eep ees eet ef- efc efd efe eff efi efo efp efs eft eic eid eie eif eii eio eip eis eit eo- eoc eod eoe eof eoi eoo eop eos eot ep- epc epd epe epf epi epo epp eps ept es- esc esd ese esf esi eso esp ess est etc etd ete etf eti eto etp ets ett fcc fcd fce fcf fci fco fcp fcs fct fdc fdd fde fdf fdi fdo fdp fds fdt fec fed fee fef fei feo fep fes fet ffc ffd ffe fff ffi ffo ffp ffs fft fic fid fie fif fii fip fis fit foc foe fof foi foo fop fos fot fpc fpd fpe fpi fpo fpp fps fpt fsc fsd fse fsf fsi fso fsp fss fst ftc ftd fte ftf fti fto ftp fts ftt i-d i-f icc icd ice icf ici ico icp ics ict idc idd ide idf idi ido idp ids idt ie- iec ied iee ief iei iep ies iet ifc ifd ife iff ifi ifo ifp ifs ift iic iid iie iif iii iio iip iis iit io- ioc iod ioe iof ioi ioo iop ios iot ipc ipd ipe ipf ipi ipo ipp ips ipt is- isc isd ise isf isi iso isp iss ist itc itd ite itf iti ito itp its itt o-i oc- occ ocd ocf oci oco ocp ocs oct odc odd ode odf odi odo odp ods odt oec oed oee oef oei oeo oep oes oet of- ofc ofd ofe off ofi ofo ofp ofs oft oic oid oie oif oii oio oip ois oit oo- ooc ood oof ooi ooo oop oos oot op- opc opd ope opf opi opo opp ops opt os- osc osd ose osf osi oso osp oss ost ot- otc otd ote otf oti oto otp ots ott p-p pcc pcd pce pcf pci pco pcp pcs pct pdc pdd pde pdf pdi pdo pdp pds pdt pec ped pee pef pei peo pep pes pet pfc pfd pfe pff pfi pfo pfp pfs pft pic pid pie pif pii pio pip pis pit poc pod poe pof poi poo pop pos pot ppc ppd ppe ppf ppi ppo ppp pps ppt ps- psc psd pse psf psi pso psp pss pst pt- ptc ptd pte ptf pti pto ptp pts ptt scc scd sce scf sci sco scp scs sct sdc sdd sde sdf sdi sdo sdp sds sdt se- sec sed see sef sei seo sep ses set sfc sfd sfe sff sfi sfo sfp sfs sft sic sid sie sif sii sio sip sis sit soc sod soe sof soi soo sop sos sot spc spd spe spf spi spo spp sps spt ss- ssc ssd sse ssf ssi sso ssp sss sst stc std ste stf sti sto stp sts stt tcc tcd tce tcf tci tco tcp tcs tct tdc tdd tde tdf tdi tdo tdp tds tdt te- tec ted tee tef tei teo tep tes tet tfc tfd tfe tff tfi tfo tfp tfs tft tic tid tie tif tii tio tip tis tit to- toc tod toe tof toi too top tos tot tpc tpd tpe tpf tpi tpo tpp tps tpt tsc tsd tse tsf tsi tso tsp tss tst ttc ttd tte ttf tti tto ttp tts ttt