-er -ic c-- ccc cce ccg cci ccn ccp ccr ccs cct ce- cec cee ceg cei cen cep cer ces cet cgc cge cgg cgi cgn cgp cgr cgs cgt ci- cic cie cig cii cin cip cir cis cit cn- cnc cne cng cni cnn cnp cnr cns cnt cpc cpe cpg cpi cpn cpp cpr cps cpt crc cre crg cri crn crp crr crs crt csc cse csg csi csn csp csr css cst ctc cte ctg cti ctn ctp ctr cts ctt ec- ecc ece ecg eci ecn ecr ecs ect eec eee eeg een eep eer ees eet egc ege egg egi egn egp egr egs egt eic eie eig eii ein eip eir eis eit en- enc ene eng eni enn enp enr ens ent ep- epc epe epg epi epn epp epr eps ept erc ere erg eri ern erp err ers ert es- esc ese esg esi esn esp esr ess est etc ete etg eti etn etp etr ets ett g-p gcc gce gcg gci gcn gcp gcr gcs gct ge- gec gee geg gei gen gep ger ges get ggc ggg ggi ggn ggp ggr ggs ggt gic gie gig gii gin gip gir gis git gnc gne gni gnn gnp gnr gns gnt gpc gpe gpg gpi gpn gpp gpr gps gpt grc gre grg gri grn grp grr grs grt gsc gse gsg gsi gsn gsp gsr gss gst gtc gte gtg gti gtn gtp gtr gts gtt icc ice icg ici icn icp icr ics ict ie- iec iee ieg iei ien iep ier ies iet igc ige igg igi ign igp igr igs igt iic iie iii iin iip iir iis iit in- inc ine ing ini inn inp inr ins int ipc ipe ipg ipi ipn ipp ipr ips ipt ir- irc ire irg iri irn irp irr irs irt is- isc ise isg isi isn isp isr iss ist itc ite itg iti itn itp its itt n-i ncc nce ncg nci ncn ncp ncr ncs nct ne- nec nee neg nei nen nep ner nes net ngc nge ngg ngi ngn ngp ngs ngt nic nie nig nii nin nip nir nis nit nnc nne nng nni nnn nnp nns nnt npc npe npg npi npn npp npr nps npt nrc nre nrg nri nrn nrp nrr nrs nrt nsc nse nsg nsi nsn nsp nsr nss nst ntc nte ntg nti ntn ntp ntr nts ntt p-p pcc pce pcg pci pcn pcp pcr pcs pct pec pee peg pei pen pep per pes pet pgc pge pgg pgi pgn pgp pgr pgs pgt pic pie pig pii pin pip pir pis pit pn- pnc pne png pni pnn pnp pnr pns pnt ppc ppe ppg ppi ppn ppp ppr pps ppt prc pre prg pri prn prp prr prs prt ps- psc pse psg psi psn psp psr pss pst pt- ptc pte ptg pti ptn ptp ptr pts ptt rcc rce rcg rci rcn rcp rcr rcs rct re- rec ree reg rei ren rep rer res ret rgc rge rgg rgi rgn rgp rgr rgs rgt ric rie rig rii rin rip rir ris rit rnc rng rni rnn rnp rnr rns rnt rpc rpe rpg rpi rpn rpp rpr rps rpt rrc rrg rri rrn rrp rrr rrs rrt rsc rse rsg rsi rsn rsp rsr rss rst rtc rte rtg rti rtn rtp rtr rts rtt scc sce scg sci scn scp scr scs sct se- sec see seg sei sen sep ser ses set sgc sge sgg sgi sgn sgp sgr sgs sgt sic sie sig sii sin sip sir sis sit snc sne sng sni snn snp snr sns snt spc spe spg spi spn spp spr sps spt sr- src sre srg sri srn srp srr srs srt ss- ssc sse ssg ssi ssn ssp ssr sss sst stc ste stg sti stn stp str sts stt tcc tce tcg tci tcn tcp tcr tcs tct te- tec tee teg tei ten tep ter tes tet tgc tge tgg tgi tgn tgp tgr tgs tgt tic tie tig tii tin tip tir tis tit tnc tne tng tni tnn tnp tnr tns tnt tpc tpe tpg tpi tpn tpp tpr tps tpt trc tre trg tri trn trp trr trs trt tsc tse tsg tsi tsn tsp tsr tss tst ttc tte ttg tti ttn ttp ttr tts ttt