-er -ic c-- ccc cce ccg cci ccn ccp ccr cct ce- cec cee ceg cei cen cep cer cet cgc cge cgg cgi cgn cgp cgr cgt ci- cic cie cig cii cin cip cir cit cn- cnc cne cng cni cnn cnp cnr cnt cpc cpe cpg cpi cpn cpp cpr cpt crc cre crg cri crn crp crr crt ctc cte ctg cti ctn ctp ctr ctt ec- ecc ece ecg eci ecn ecr ect eec eee eeg een eep eer eet egc ege egg egi egn egp egr egt eic eie eig eii ein eip eir eit en- enc ene eng eni enn enp enr ent ep- epc epe epg epi epn epp epr ept erc ere erg eri ern erp err ert etc ete etg eti etn etp etr ett g-p gcc gce gcg gci gcn gcp gcr gct ge- gec gee geg gei gen gep ger get ggc ggg ggi ggn ggp ggr ggt gic gie gig gii gin gip gir git gnc gne gni gnn gnp gnr gnt gpc gpe gpg gpi gpn gpp gpr gpt grc gre grg gri grn grp grr grt gtc gte gtg gti gtn gtp gtr gtt icc ice icg ici icn icp icr ict ie- iec iee ieg iei ien iep ier iet igc ige igg igi ign igp igr igt iic iie iii iin iip iir iit in- inc ine ing ini inn inp inr int ipc ipe ipg ipi ipn ipp ipr ipt ir- irc ire irg iri irn irp irr irt itc ite itg iti itn itp itt n-i ncc nce ncg nci ncn ncp ncr nct ne- nec nee neg nei nen nep ner net ngc nge ngg ngi ngn ngp ngt nic nie nig nii nin nip nir nit nnc nne nng nni nnn nnp nnt npc npe npg npi npn npp npr npt nrc nre nrg nri nrn nrp nrr nrt ntc nte ntg nti ntn ntp ntr ntt p-p pcc pce pcg pci pcn pcp pcr pct pec pee peg pei pen pep per pet pgc pge pgg pgi pgn pgp pgr pgt pic pie pig pii pin pip pir pit pn- pnc pne png pni pnn pnp pnr pnt ppc ppe ppg ppi ppn ppp ppr ppt prc pre prg pri prn prp prr prt pt- ptc pte ptg pti ptn ptp ptr ptt rcc rce rcg rci rcn rcp rcr rct re- rec ree reg rei ren rep rer ret rgc rge rgg rgi rgn rgp rgr rgt ric rie rig rii rin rip rir rit rnc rng rni rnn rnp rnr rnt rpc rpe rpg rpi rpn rpp rpr rpt rrc rrg rri rrn rrp rrr rrt rtc rte rtg rti rtn rtp rtr rtt tcc tce tcg tci tcn tcp tcr tct te- tec tee teg tei ten tep ter tet tgc tge tgg tgi tgn tgp tgr tgt tic tie tig tii tin tip tir tit tnc tne tng tni tnn tnp tnr tnt tpc tpe tpg tpi tpn tpp tpr tpt trc tre trg tri trn trp trr trt ttc tte ttg tti ttn ttp ttr ttt