-er -ic c-- ccc ccd cce cci ccn ccp ccr ccs cct cdc cdd cde cdi cdn cdp cdr cds cdt ce- cec ced cee cei cen cep cer ces cet ci- cic cid cie cii cin cip cir cis cit cn- cnc cnd cne cni cnn cnp cnr cns cnt cpc cpd cpe cpi cpn cpp cpr cps cpt crc crd cre cri crn crp crr crs crt csc csd cse csi csn csp csr css cst ctc ctd cte cti ctn ctp ctr cts ctt dcc dcd dce dci dcn dcp dcr dcs dct ddc ddd dde ddi ddn ddp ddr dds ddt de- dec ded dee dei den dep der des det di- dic did die dii din dip dir dis dit dnc dnd dne dni dnn dnp dnr dns dnt dpc dpd dpe dpi dpn dpp dpr dps dpt drc drd dre dri drn drp drr drs drt dsc dsd dse dsi dsn dsp dsr dss dst dtc dtd dte dti dtn dtp dtr dts dtt ec- ecc ecd ece eci ecn ecr ecs ect ed- edc edd ede edi edn edp edr eds edt eec eed eee een eep eer ees eet eic eid eie eii ein eip eir eis eit en- enc end ene eni enn enp enr ens ent ep- epc epd epe epi epn epp epr eps ept erc erd ere eri ern erp err ers ert es- esc esd ese esi esn esp esr ess est etc etd ete eti etn etp etr ets ett i-d icc icd ice ici icn icp icr ics ict idc idd ide idi idn idp idr ids idt ie- iec ied iee iei ien iep ier ies iet iic iid iie iii iin iip iir iis iit in- inc ind ine ini inn inp inr ins int ipc ipd ipe ipi ipn ipp ipr ips ipt ir- irc ird ire iri irn irp irr irs irt is- isc isd ise isi isn isp isr iss ist itc itd ite iti itn itp its itt n-i ncc ncd nce nci ncn ncp ncr ncs nct ndc ndd nde ndi ndn ndp ndr nds ndt ne- nec ned nee nei nen nep ner nes net nic nid nie nii nin nip nir nis nit nnc nne nni nnn nnp nns nnt npc npd npe npi npn npp npr nps npt nrc nrd nre nri nrn nrp nrr nrs nrt nsc nsd nse nsi nsn nsp nsr nss nst ntc ntd nte nti ntn ntp ntr nts ntt p-p pcc pcd pce pci pcn pcp pcr pcs pct pdc pdd pde pdi pdn pdp pdr pds pdt pec ped pee pei pen pep per pes pet pic pid pie pii pin pip pir pis pit pn- pnc pnd pne pni pnn pnp pnr pns pnt ppc ppd ppe ppi ppn ppp ppr pps ppt prc prd pre pri prn prp prr prs prt ps- psc psd pse psi psn psp psr pss pst pt- ptc ptd pte pti ptn ptp ptr pts ptt rcc rcd rce rci rcn rcp rcr rcs rct rdc rdd rde rdi rdn rdp rdr rds rdt re- rec red ree rei ren rep rer res ret ric rid rie rii rin rip rir ris rit rnc rnd rni rnn rnp rnr rns rnt rpc rpd rpe rpi rpn rpp rpr rps rpt rrc rrd rri rrn rrp rrr rrs rrt rsc rsd rse rsi rsn rsp rsr rss rst rtc rtd rte rti rtn rtp rtr rts rtt scc scd sce sci scn scp scr scs sct sdc sdd sde sdi sdn sdp sdr sds sdt se- sec sed see sei sen sep ser ses set sic sid sie sii sin sip sir sis sit snc snd sne sni snn snp snr sns snt spc spd spe spi spn spp spr sps spt sr- src srd sre sri srn srp srr srs srt ss- ssc ssd sse ssi ssn ssp ssr sss sst stc std ste sti stn stp str sts stt tcc tcd tce tci tcn tcp tcr tcs tct tdc tdd tde tdi tdn tdp tdr tds tdt te- tec ted tee tei ten tep ter tes tet tic tid tie tii tin tip tir tis tit tnc tnd tne tni tnn tnp tnr tns tnt tpc tpd tpe tpi tpn tpp tpr tps tpt trc trd tre tri trn trp trr trs trt tsc tsd tse tsi tsn tsp tsr tss tst ttc ttd tte tti ttn ttp ttr tts ttt