-er -up c-- ccc cce ccg ccn cco ccp ccr ccs ccu ce- cec cee ceg cen ceo cep cer ces ceu cgc cge cgg cgn cgo cgp cgr cgs cgu cn- cnc cne cng cnn cno cnp cnr cns cnu co- coc coe cog con coo cop cor cos cou cpc cpe cpg cpn cpo cpp cpr cps cpu crc cre crg crn cro crp crr crs cru csc cse csg csn cso csp csr css csu cuc cue cug cun cuo cup cur cus cuu ec- ecc ece ecg ecn eco ecr ecs ecu eec eee eeg een eeo eep eer ees egc ege egg egn ego egp egr egs egu en- enc ene eng enn eno enp enr ens enu eo- eoc eoe eog eon eoo eop eor eos eou ep- epc epe epg epn epo epp epr eps epu erc ere erg ern ero erp err ers eru es- esc ese esg esn eso esp esr ess esu eu- euc eue eug eun eup eur eus g-p gcc gce gcg gcn gco gcp gcr gcs gcu ge- gec gee geg gen geo gep ger ges geu ggc ggg ggn ggo ggp ggr ggs ggu gnc gne gnn gno gnp gnr gns gnu goc goe gog gon goo gop gor gos gou gpc gpe gpg gpn gpo gpp gpr gps gpu grc gre grg grn gro grp grr grs gru gsc gse gsg gsn gso gsp gsr gss gsu gu- guc gue gug gun guo gup gur gus guu ncc nce ncg ncn nco ncp ncr ncs ncu ne- nec nee neg nen neo nep ner nes neu ngc nge ngg ngn ngo ngp ngs ngu nnc nne nng nnn nno nnp nns nnu no- noc noe nog non noo nop nor nos nou npc npe npg npn npo npp npr nps npu nrc nre nrg nrn nro nrp nrr nrs nru nsc nse nsg nsn nso nsp nsr nss nsu nuc nue nug nun nuo nup nur nus nuu oc- occ ocg ocn oco ocp ocr ocs ocu oec oee oeg oen oeo oep oer oes ogc oge ogg ogn ogo ogp ogs on- onc one ong onn ono onp onr ons onu oo- ooc oog oon ooo oop oor oos op- opc ope opg opn opo opp opr ops or- orc ore org orn oro orp orr ors oru os- osc ose osg osn oso osp osr oss osu ou- ouc oue oun ouo oup our ous p-p pcc pce pcg pcn pco pcp pcr pcs pcu pec pee peg pen peo pep per pes peu pgc pge pgg pgn pgo pgp pgr pgs pn- pnc pne png pnn pno pnp pnr pns pnu poc poe pog pon poo pop por pos pou ppc ppe ppg ppn ppo ppp ppr pps ppu prc pre prg prn pro prp prr prs pru ps- psc pse psg psn pso psp psr pss psu puc pue pug pun pup pur pus puu rcc rce rcg rcn rco rcp rcr rcs rcu re- rec ree reg ren reo rep rer res reu rgc rge rgg rgn rgo rgp rgr rgs rnc rng rnn rno rnp rnr rns rnu roc roe rog ron roo rop ror ros rou rpc rpe rpg rpn rpo rpp rpr rps rpu rrc rrg rrn rrp rrr rrs rru rsc rse rsg rsn rso rsp rsr rss rsu ruc rue rug run ruo rup rur rus ruu scc sce scg scn sco scp scr scs scu se- sec see seg sen seo sep ser ses seu sgc sge sgg sgn sgo sgp sgr sgs sgu snc sne sng snn sno snp snr sns snu soc soe sog son soo sop sor sos sou spc spe spg spn spo spp spr sps spu sr- src sre srg srn sro srp srr srs ss- ssc sse ssg ssn sso ssp ssr sss ssu suc sue sug sun suo sup sur sus suu ucc uce ucg ucn uco ucp ucr ucs ucu uec uee ueg uen uep uer ues ugc uge ugg ugn ugo ugp ugr ugs ugu un- unc une ung unn uno unp unr uns unu uoc uoe uog uon uoo uop uor uos up- upc upe upg upn upo upp upr ups upu ur- urc ure urg urn uro urp urr urs uru usc use usg usn uso usp usr uss usu uuc uue uug uun uur uus uuu