-er -ic c-- ccc cce ccg cci cck ccn ccr ccs cct ce- cec cee ceg cei cek cen cer ces cet cgc cge cgg cgi cgn cgr cgs cgt ci- cic cie cig cii cik cin cir cis cit ckc cki cks ckt cn- cnc cne cng cni cnn cnr cns cnt crc cre crg cri crk crn crr crs crt csc cse csg csi csk csn csr css cst ctc cte ctg cti ctk ctn ctr cts ctt ec- ecc ece ecg eci eck ecn ecr ecs ect eec eee eeg eek een eer ees eet egc ege egg egi egn egr egs egt eic eie eig eii eik ein eir eis eit ekc eke ekg eki ekr eks ekt en- enc ene eng eni enk enn enr ens ent erc ere erg eri erk ern err ers ert es- esc ese esg esi esk esn esr ess est etc ete etg eti etk etn etr ets ett gcc gce gcg gci gck gcn gcr gcs gct ge- gec gee geg gei gek gen ger ges get ggc ggg ggi ggn ggr ggs ggt gic gie gig gii gik gin gir gis git gkn gks gkt gnc gne gni gnn gnr gns gnt grc gre grg gri grk grn grr grs grt gsc gse gsg gsi gsk gsn gsr gss gst gtc gte gtg gti gtk gtn gtr gts gtt icc ice icg ici ick icn icr ics ict ie- iec iee ieg iei iek ien ier ies iet igc ige igg igi igk ign igr igs igt iic iie iii iin iir iis iit ikc ike iki ikk ikr iks ikt in- inc ine ing ini ink inn inr ins int ir- irc ire irg iri irk irn irr irs irt is- isc ise isg isi isk isn isr iss ist itc ite itg iti itk itn its itt k-t kcc kce kcg kci kck kcn kcr kcs kct ke- kec kee keg kei kek ken ker kes ket kgc kgi kgs kic kie kig kii kik kin kir kis kit kkc kke kki kkk kkn kkr kks kkt kn- knc kne kng kni knk knn knr knt krc krg kri krk krn krr krs krt ksc kse ksg ksi ksk ksn ksr kss kst ktc kte ktg ktk ktn ktr kts ktt n-i ncc nce ncg nci nck ncn ncr ncs nct ne- nec nee neg nei nek nen ner nes net ngc nge ngg ngi ngk ngn ngs ngt nic nie nig nii nik nin nir nis nit nkc nke nki nkk nkn nkr nks nkt nnc nne nng nni nnk nnn nns nnt nrc nre nrg nri nrk nrn nrr nrs nrt nsc nse nsg nsi nsk nsn nsr nss nst ntc nte ntg nti ntk ntn ntr nts ntt rcc rce rcg rci rcn rcr rcs rct re- rec ree reg rei rek ren rer res ret rgc rge rgg rgi rgk rgn rgr rgs rgt ric rie rig rii rik rin rir ris rit rkc rke rkg rkk rks rkt rnc rng rni rnn rnr rns rnt rrc rrg rri rrk rrn rrr rrs rrt rsc rse rsg rsi rsk rsn rsr rss rst rtc rte rtg rti rtk rtn rtr rts rtt scc sce scg sci sck scn scr scs sct se- sec see seg sei sek sen ser ses set sgc sge sgg sgi sgk sgn sgr sgs sgt sic sie sig sii sik sin sir sis sit sk- skc ske skg ski skk skr sks skt snc sne sng sni snk snn snr sns snt sr- src sre srg sri srk srn srr srs srt ss- ssc sse ssg ssi ssk ssn ssr sss sst stc ste stg sti stk stn str sts stt tcc tce tcg tci tck tcn tcr tcs tct te- tec tee teg tei tek ten ter tes tet tgc tge tgg tgi tgk tgn tgr tgs tgt tic tie tig tii tik tin tir tis tit tkc tke tkg tkk tkr tks tkt tnc tne tng tni tnk tnn tnr tns tnt trc tre trg tri trk trn trr trs trt tsc tse tsg tsi tsk tsn tsr tss tst ttc tte ttg tti ttk ttn ttr tts ttt