-er -ic c-- ccc cce ccg cci ccn cco ccp ccr ccs cct ce- cec cee ceg cei cen ceo cep cer ces cet cgc cge cgg cgi cgn cgo cgp cgr cgs cgt ci- cic cie cig cii cin cio cip cir cis cit cn- cnc cne cng cni cnn cno cnp cnr cns cnt co- coc coe cog coi con coo cop cor cos cot cpc cpe cpg cpi cpn cpo cpp cpr cps cpt crc cre crg cri crn cro crp crr crs crt csc cse csg csi csn cso csp csr css cst ctc cte ctg cti ctn cto ctp ctr cts ctt ec- ecc ece ecg eci ecn eco ecr ecs ect eec eee eeg een eeo eep eer ees eet egc ege egg egi egn ego egp egr egs egt eic eie eig eii ein eio eip eir eis eit en- enc ene eng eni enn eno enp enr ens ent eo- eoc eoe eog eoi eon eoo eop eor eos eot ep- epc epe epg epi epn epo epp epr eps ept erc ere erg eri ern ero erp err ers ert es- esc ese esg esi esn eso esp esr ess est etc ete etg eti etn eto etp etr ets ett g-p gcc gce gcg gci gcn gco gcp gcr gcs gct ge- gec gee geg gei gen geo gep ger ges get ggc ggg ggi ggn ggo ggp ggr ggs ggt gic gie gig gii gin gio gip gir gis git gnc gne gni gnn gno gnp gnr gns gnt goc goe gog goi gon goo gop gor gos got gpc gpe gpg gpi gpn gpo gpp gpr gps gpt grc gre grg gri grn gro grp grr grs grt gsc gse gsg gsi gsn gso gsp gsr gss gst gtc gte gtg gti gtn gto gtp gtr gts gtt icc ice icg ici icn ico icp icr ics ict ie- iec iee ieg iei ien iep ier ies iet igc ige igg igi ign igo igp igr igs igt iic iie iii iin iio iip iir iis iit in- inc ine ing ini inn ino inp inr ins int io- ioc ioe iog ioi ion ioo iop ior ios iot ipc ipe ipg ipi ipn ipo ipp ipr ips ipt ir- irc ire irg iri irn iro irp irr irs irt is- isc ise isg isi isn iso isp isr iss ist itc ite itg iti itn ito itp its itt n-i ncc nce ncg nci ncn nco ncp ncr ncs nct ne- nec nee neg nei nen neo nep ner nes net ngc nge ngg ngi ngn ngo ngp ngs ngt nic nie nig nii nin nio nip nir nis nit nnc nne nng nni nnn nno nnp nns nnt no- noc noe nog noi non noo nop nor nos not npc npe npg npi npn npo npp npr nps npt nrc nre nrg nri nrn nro nrp nrr nrs nrt nsc nse nsg nsi nsn nso nsp nsr nss nst ntc nte ntg nti ntn nto ntp ntr nts ntt o-i oc- occ ocg oci ocn oco ocp ocr ocs oct oec oee oeg oei oen oeo oep oer oes oet ogc oge ogg ogi ogn ogo ogp ogs ogt oic oie oii oin oio oip oir ois oit on- onc one ong oni onn ono onp onr ons ont oo- ooc oog ooi oon ooo oop oor oos oot op- opc ope opg opi opn opo opp opr ops opt or- orc ore org ori orn oro orp orr ors ort os- osc ose osg osi osn oso osp osr oss ost ot- otc ote otg oti otn oto otp otr ots ott p-p pcc pce pcg pci pcn pco pcp pcr pcs pct pec pee peg pei pen peo pep per pes pet pgc pge pgg pgi pgn pgo pgp pgr pgs pgt pic pie pig pii pin pio pip pir pis pit pn- pnc pne png pni pnn pno pnp pnr pns pnt poc poe pog poi pon poo pop por pos pot ppc ppe ppg ppi ppn ppo ppp ppr pps ppt prc pre prg pri prn pro prp prr prs prt ps- psc pse psg psi psn pso psp psr pss pst pt- ptc pte ptg pti ptn pto ptp ptr pts ptt rcc rce rcg rci rcn rco rcp rcr rcs rct re- rec ree reg rei ren reo rep rer res ret rgc rge rgg rgi rgn rgo rgp rgr rgs rgt ric rie rig rii rin rio rip rir ris rit rnc rng rni rnn rno rnp rnr rns rnt roc roe rog roi ron roo rop ror ros rot rpc rpe rpg rpi rpn rpo rpp rpr rps rpt rrc rrg rri rrn rrp rrr rrs rrt rsc rse rsg rsi rsn rso rsp rsr rss rst rtc rte rtg rti rtn rto rtp rtr rts rtt scc sce scg sci scn sco scp scr scs sct se- sec see seg sei sen seo sep ser ses set sgc sge sgg sgi sgn sgo sgp sgr sgs sgt sic sie sig sii sin sio sip sir sis sit snc sne sng sni snn sno snp snr sns snt soc soe sog soi son soo sop sor sos sot spc spe spg spi spn spo spp spr sps spt sr- src sre srg sri srn sro srp srr srs srt ss- ssc sse ssg ssi ssn sso ssp ssr sss sst stc ste stg sti stn sto stp str sts stt tcc tce tcg tci tcn tco tcp tcr tcs tct te- tec tee teg tei ten teo tep ter tes tet tgc tge tgg tgi tgn tgo tgp tgr tgs tgt tic tie tig tii tin tio tip tir tis tit tnc tne tng tni tnn tno tnp tnr tns tnt to- toc toe tog toi ton too top tor tos tot tpc tpe tpg tpi tpn tpo tpp tpr tps tpt trc tre trg tri trn tro