-er c-- ccc cce ccg ccn cco ccp ccr cct ce- cec cee ceg cen ceo cep cer cet cgc cge cgg cgn cgo cgp cgr cgt cn- cnc cne cng cnn cno cnp cnr cnt co- coc coe cog con coo cop cor cot cpc cpe cpg cpn cpo cpp cpr cpt crc cre crg crn cro crp crr crt ctc cte ctg ctn cto ctp ctr ctt ec- ecc ece ecg ecn eco ecr ect eec eee eeg een eeo eep eer eet egc ege egg egn ego egp egr egt en- enc ene eng enn eno enp enr ent eo- eoc eoe eog eon eoo eop eor eot ep- epc epe epg epn epo epp epr ept erc ere erg ern ero erp err ert etc ete etg etn eto etp etr ett g-p gcc gce gcg gcn gco gcp gcr gct ge- gec gee geg gen geo gep ger get ggc ggg ggn ggo ggp ggr ggt gnc gne gnn gno gnp gnr gnt goc goe gog gon goo gop gor got gpc gpe gpg gpn gpo gpp gpr gpt grc gre grg grn gro grp grr grt gtc gte gtg gtn gto gtp gtr gtt ncc nce ncg ncn nco ncp ncr nct ne- nec nee neg nen neo nep ner net ngc nge ngg ngn ngo ngp ngt nnc nne nng nnn nno nnp nnt no- noc noe nog non noo nop nor not npc npe npg npn npo npp npr npt nrc nre nrg nrn nro nrp nrr nrt ntc nte ntg ntn nto ntp ntr ntt oc- occ ocg ocn oco ocp ocr oct oec oee oeg oen oeo oep oer oet ogc oge ogg ogn ogo ogp ogt on- onc one ong onn ono onp onr ont oo- ooc oog oon ooo oop oor oot op- opc ope opg opn opo opp opr opt or- orc ore org orn oro orp orr ort ot- otc ote otg otn oto otp otr ott p-p pcc pce pcg pcn pco pcp pcr pct pec pee peg pen peo pep per pet pgc pge pgg pgn pgo pgp pgr pgt pn- pnc pne png pnn pno pnp pnr pnt poc poe pog pon poo pop por pot ppc ppe ppg ppn ppo ppp ppr ppt prc pre prg prn pro prp prr prt pt- ptc pte ptg ptn pto ptp ptr ptt rcc rce rcg rcn rco rcp rcr rct re- rec ree reg ren reo rep rer ret rgc rge rgg rgn rgo rgp rgr rgt rnc rng rnn rno rnp rnr rnt roc roe rog ron roo rop ror rot rpc rpe rpg rpn rpo rpp rpr rpt rrc rrg rrn rrp rrr rrt rtc rte rtg rtn rto rtp rtr rtt tcc tce tcg tcn tco tcp tcr tct te- tec tee teg ten teo tep ter tet tgc tge tgg tgn tgo tgp tgr tgt tnc tne tng tnn tno tnp tnr tnt to- toc toe tog ton too top tor tot tpc tpe tpg tpn tpo tpp tpr tpt trc tre trg trn tro trp trr trt ttc tte ttg ttn tto ttp ttr ttt