-er -ic c-- ccc cce ccg cci cco ccp ccr ccs cct ce- cec cee ceg cei ceo cep cer ces cet cgc cge cgg cgi cgo cgp cgr cgs cgt ci- cic cie cig cii cio cip cir cis cit co- coc coe cog coi coo cop cor cos cot cpc cpe cpg cpi cpo cpp cpr cps cpt crc cre crg cri cro crp crr crs crt csc cse csg csi cso csp csr css cst ctc cte ctg cti cto ctp ctr cts ctt ec- ecc ece ecg eci eco ecr ecs ect eec eee eeg eeo eep eer ees eet egc ege egg egi ego egp egr egs egt eic eie eig eii eio eip eir eis eit eo- eoc eoe eog eoi eoo eop eor eos eot ep- epc epe epg epi epo epp epr eps ept erc ere erg eri ero erp err ers ert es- esc ese esg esi eso esp esr ess est etc ete etg eti eto etp etr ets ett g-p gcc gce gcg gci gco gcp gcr gcs gct ge- gec gee geg gei geo gep ger ges get ggc ggg ggi ggo ggp ggr ggs ggt gic gie gig gii gio gip gir gis git goc goe gog goi goo gop gor gos got gpc gpe gpg gpi gpo gpp gpr gps gpt grc gre grg gri gro grp grr grs grt gsc gse gsg gsi gso gsp gsr gss gst gtc gte gtg gti gto gtp gtr gts gtt icc ice icg ici ico icp icr ics ict ie- iec iee ieg iei iep ier ies iet igc ige igg igi igo igp igr igs igt iic iie iii iio iip iir iis iit io- ioc ioe iog ioi ioo iop ior ios iot ipc ipe ipg ipi ipo ipp ipr ips ipt ir- irc ire irg iri iro irp irr irs irt is- isc ise isg isi iso isp isr iss ist itc ite itg iti ito itp its itt o-i oc- occ ocg oci oco ocp ocr ocs oct oec oee oeg oei oeo oep oer oes oet ogc oge ogg ogi ogo ogp ogs ogt oic oie oii oio oip oir ois oit oo- ooc oog ooi ooo oop oor oos oot op- opc ope opg opi opo opp opr ops opt or- orc ore org ori oro orp orr ors ort os- osc ose osg osi oso osp osr oss ost ot- otc ote otg oti oto otp otr ots ott p-p pcc pce pcg pci pco pcp pcr pcs pct pec pee peg pei peo pep per pes pet pgc pge pgg pgi pgo pgp pgr pgs pgt pic pie pig pii pio pip pir pis pit poc poe pog poi poo pop por pos pot ppc ppe ppg ppi ppo ppp ppr pps ppt prc pre prg pri pro prp prr prs prt ps- psc pse psg psi pso psp psr pss pst pt- ptc pte ptg pti pto ptp ptr pts ptt rcc rce rcg rci rco rcp rcr rcs rct re- rec ree reg rei reo rep rer res ret rgc rge rgg rgi rgo rgp rgr rgs rgt ric rie rig rii rio rip rir ris rit roc roe rog roi roo rop ror ros rot rpc rpe rpg rpi rpo rpp rpr rps rpt rrc rrg rri rrp rrr rrs rrt rsc rse rsg rsi rso rsp rsr rss rst rtc rte rtg rti rto rtp rtr rts rtt scc sce scg sci sco scp scr scs sct se- sec see seg sei seo sep ser ses set sgc sge sgg sgi sgo sgp sgr sgs sgt sic sie sig sii sio sip sir sis sit soc soe sog soi soo sop sor sos sot spc spe spg spi spo spp spr sps spt sr- src sre srg sri sro srp srr srs srt ss- ssc sse ssg ssi sso ssp ssr sss sst stc ste stg sti sto stp str sts stt tcc tce tcg tci tco tcp tcr tcs tct te- tec tee teg tei teo tep ter tes tet tgc tge tgg tgi tgo tgp tgr tgs tgt tic tie tig tii tio tip tir tis tit to- toc toe tog toi too top tor tos tot tpc tpe tpg tpi tpo tpp tpr tps tpt trc tre trg tri tro trp trr trs trt tsc tse tsg tsi tso tsp tsr tss tst ttc tte ttg tti tto ttp ttr tts ttt