-er -ic c-- ccc ccd cce ccf cci cck ccp ccr ccs cct cdc cdd cde cdf cdi cdk cdp cdr cds cdt ce- cec ced cee cef cei cek cep cer ces cet cfc cfd cfe cff cfi cfk cfp cfr cfs cft ci- cic cid cie cif cii cik cip cir cis cit ckc ckd cki cks ckt cpc cpd cpe cpf cpi cpk cpp cpr cps cpt crc crd cre crf cri crk crp crr crs crt csc csd cse csf csi csk csp csr css cst ctc ctd cte ctf cti ctk ctp ctr cts ctt dcc dcd dce dcf dci dck dcp dcr dcs dct ddc ddd dde ddf ddi ddk ddp ddr dds ddt de- dec ded dee def dei dek dep der des det dfc dfd dfe dff dfi dfk dfp dfr dfs dft di- dic did die dif dii dik dip dir dis dit dkc dke dki dkk dkp dkr dks dkt dpc dpd dpe dpf dpi dpk dpp dpr dps dpt drc drd dre dri drk drp drr drs drt dsc dsd dse dsf dsi dsk dsp dsr dss dst dtc dtd dte dtf dti dtk dtp dtr dts dtt ec- ecc ecd ece ecf eci eck ecr ecs ect ed- edc edd ede edf edi edk edp edr eds edt eec eed eee eef eek eep eer ees eet ef- efc efd efe eff efi efp efr efs eft eic eid eie eif eii eik eip eir eis eit ekc ekd eke ekf eki ekp ekr eks ekt ep- epc epd epe epf epi epp epr eps ept erc erd ere erf eri erk erp err ers ert es- esc esd ese esf esi esk esp esr ess est etc etd ete etf eti etk etp etr ets ett fcc fcd fce fcf fci fck fcp fcr fcs fct fdc fdd fde fdf fdi fdk fdp fdr fds fdt fec fed fee fef fei fek fep fer fes fet ffc ffd ffe fff ffi ffk ffp ffr ffs fft fic fid fie fif fii fik fip fir fis fit fkc fkf fki fkk fkp fkt fpc fpd fpe fpi fpk fpp fpr fps fpt frc frd fre frf fri frk frp frr frs frt fsc fsd fse fsf fsi fsk fsp fsr fss fst ftc ftd fte ftf fti ftk ftp ftr fts ftt i-d i-f icc icd ice icf ici ick icp icr ics ict idc idd ide idf idi idk idp idr ids idt ie- iec ied iee ief iei iek iep ier ies iet ifc ifd ife iff ifi ifp ifr ifs ift iic iid iie iif iii iip iir iis iit ikc ike ikf iki ikk ikr iks ikt ipc ipd ipe ipf ipi ipp ipr ips ipt ir- irc ird ire irf iri irk irp irr irs irt is- isc isd ise isf isi isk isp isr iss ist itc itd ite itf iti itk itp its itt k-t kcc kcd kce kci kck kcp kcr kcs kct kdc kde kdf kdk kdp kdr kds kdt ke- kec ked kee kef kei kek kep ker kes ket kfc kfd kff kfi kfs kic kid kie kif kii kik kip kir kis kit kkc kke kki kkk kkp kkr kks kkt kpc kpd kpe kpf kpi kpk kpp kpr kps kpt krc krd krf kri krk krp krr krs krt ksc ksd kse ksf ksi ksk ksp ksr kss kst ktc kte ktf ktk ktp ktr kts ktt p-p pcc pcd pce pcf pci pck pcp pcr pcs pct pdc pdd pde pdf pdi pdk pdp pdr pds pdt pec ped pee pef pei pek pep per pes pet pfc pfd pfe pff pfi pfk pfp pfr pfs pft pic pid pie pif pii pik pip pir pis pit pkc pkd pke pkf pki pkp pkr pks pkt ppc ppd ppe ppf ppi ppk ppp ppr pps ppt prc prd pre prf pri prk prp prr prs prt ps- psc psd pse psf psi psk psp psr pss pst pt- ptc ptd pte ptf pti ptk ptp ptr pts ptt rcc rcd rce rcf rci rcp rcr rcs rct rdc rdd rde rdf rdi rdp rdr rds rdt re- rec red ree ref rei rek rep rer res ret rfc rfd rfe rff rfi rfk rfp rfr rfs rft ric rid rie rif rii rik rip rir ris rit rkc rke rkf rkk rkp rks rkt rpc rpd rpe rpf rpi rpk rpp rpr rps rpt rrc rrd rrf rri rrk rrp rrr rrs rrt rsc rsd rse rsf rsi rsk rsp rsr rss rst rtc rtd rte rtf rti rtk rtp rtr rts rtt scc scd sce scf sci sck scp scr scs sct sdc sdd sde sdf sdi sdk sdp sdr sds sdt se- sec sed see sef sei sek sep ser ses set sfc sfd sfe sff sfi sfk sfp sfr sfs sft sic sid sie sif sii sik sip sir sis sit sk- skc skd ske skf ski skk skp skr sks skt spc spd spe spf spi spk spp spr sps spt sr- src srd sre srf sri srk srp srr srs srt ss- ssc ssd sse ssf ssi ssk ssp ssr sss sst stc std ste stf sti stk stp str sts stt tcc tcd tce tcf tci tck tcp tcr tcs tct tdc tdd tde tdf tdi tdk tdp tdr tds tdt te- tec ted tee tef tei tek tep ter tes tet tfc tfd tfe tff tfi tfk tfp tfr tfs tft tic tid tie tif tii tik tip tir tis tit tkc tke tkk tkp tkr tks tkt tpc tpd tpe tpf tpi tpk tpp tpr tps tpt trc trd tre trf tri trk trp trr trs trt tsc tsd tse tsf tsi tsk tsp tsr tss tst ttc ttd tte ttf tti ttk ttp ttr tts ttt

c-cd cccc cccf ccci cccp cccs ccdc ccdf ccdi ccdp ccdr ccds cced ccee ccfc ccfd ccff ccfi ccic