-er -ic c-- ccc cce cci ccn ccp ccr ccs cct ce- cec cee cei cen cep cer ces cet ci- cic cie cii cin cip cir cis cit cn- cnc cne cni cnn cnp cnr cns cnt cpc cpe cpi cpn cpp cpr cps cpt crc cre cri crn crp crr crs crt csc cse csi csn csp csr css cst ctc cte cti ctn ctp ctr cts ctt ec- ecc ece eci ecn ecr ecs ect eec eee een eep eer ees eet eic eie eii ein eip eir eis eit en- enc ene eni enn enp enr ens ent ep- epc epe epi epn epp epr eps ept erc ere eri ern erp err ers ert es- esc ese esi esn esp esr ess est etc ete eti etn etp etr ets ett icc ice ici icn icp icr ics ict ie- iec iee iei ien iep ier ies iet iic iie iii iin iip iir iis iit in- inc ine ini inn inp inr ins int ipc ipe ipi ipn ipp ipr ips ipt ir- irc ire iri irn irp irr irs irt is- isc ise isi isn isp isr iss ist itc ite iti itn itp its itt n-i ncc nce nci ncn ncp ncr ncs nct ne- nec nee nei nen nep ner nes net nic nie nii nin nip nir nis nit nnc nne nni nnn nnp nns nnt npc npe npi npn npp npr nps npt nrc nre nri nrn nrp nrr nrs nrt nsc nse nsi nsn nsp nsr nss nst ntc nte nti ntn ntp ntr nts ntt p-p pcc pce pci pcn pcp pcr pcs pct pec pee pei pen pep per pes pet pic pie pii pin pip pir pis pit pn- pnc pne pni pnn pnp pnr pns pnt ppc ppe ppi ppn ppp ppr pps ppt prc pre pri prn prp prr prs prt ps- psc pse psi psn psp psr pss pst pt- ptc pte pti ptn ptp ptr pts ptt rcc rce rci rcn rcp rcr rcs rct re- rec ree rei ren rep rer res ret ric rie rii rin rip rir ris rit rnc rni rnn rnp rnr rns rnt rpc rpe rpi rpn rpp rpr rps rpt rrc rri rrn rrp rrr rrs rrt rsc rse rsi rsn rsp rsr rss rst rtc rte rti rtn rtp rtr rts rtt scc sce sci scn scp scr scs sct se- sec see sei sen sep ser ses set sic sie sii sin sip sir sis sit snc sne sni snn snp snr sns snt spc spe spi spn spp spr sps spt sr- src sre sri srn srp srr srs srt ss- ssc sse ssi ssn ssp ssr sss sst stc ste sti stn stp str sts stt tcc tce tci tcn tcp tcr tcs tct te- tec tee tei ten tep ter tes tet tic tie tii tin tip tir tis tit tnc tne tni tnn tnp tnr tns tnt tpc tpe tpi tpn tpp tpr tps tpt trc tre tri trn trp trr trs trt tsc tse tsi tsn tsp tsr tss tst ttc tte tti ttn ttp ttr tts ttt