-er -up c-- ccc cce ccg ccn cco ccp ccr ccu ce- cec cee ceg cen ceo cep cer ceu cgc cge cgg cgn cgo cgp cgr cgu cn- cnc cne cng cnn cno cnp cnr cnu co- coc coe cog con coo cop cor cou cpc cpe cpg cpn cpo cpp cpr cpu crc cre crg crn cro crp crr cru cuc cue cug cun cuo cup cur cuu ec- ecc ece ecg ecn eco ecr ecu eec eee eeg een eeo eep eer egc ege egg egn ego egp egr egu en- enc ene eng enn eno enp enr enu eo- eoc eoe eog eon eoo eop eor eou ep- epc epe epg epn epo epp epr epu erc ere erg ern ero erp err eru eu- euc eue eug eun eup eur g-p gcc gce gcg gcn gco gcp gcr gcu ge- gec gee geg gen geo gep ger geu ggc ggg ggn ggo ggp ggr ggu gnc gne gnn gno gnp gnr gnu goc goe gog gon goo gop gor gou gpc gpe gpg gpn gpo gpp gpr gpu grc gre grg grn gro grp grr gru gu- guc gue gug gun guo gup gur guu ncc nce ncg ncn nco ncp ncr ncu ne- nec nee neg nen neo nep ner neu ngc nge ngg ngn ngo ngp ngu nnc nne nng nnn nno nnp nnu no- noc noe nog non noo nop nor nou npc npe npg npn npo npp npr npu nrc nre nrg nrn nro nrp nrr nru nuc nue nug nun nuo nup nur nuu oc- occ ocg ocn oco ocp ocr ocu oec oee oeg oen oeo oep oer ogc oge ogg ogn ogo ogp on- onc one ong onn ono onp onr onu oo- ooc oog oon ooo oop oor op- opc ope opg opn opo opp opr or- orc ore org orn oro orp orr oru ou- ouc oue oun ouo oup our p-p pcc pce pcg pcn pco pcp pcr pcu pec pee peg pen peo pep per peu pgc pge pgg pgn pgo pgp pgr pn- pnc pne png pnn pno pnp pnr pnu poc poe pog pon poo pop por pou ppc ppe ppg ppn ppo ppp ppr ppu prc pre prg prn pro prp prr pru puc pue pug pun pup pur puu rcc rce rcg rcn rco rcp rcr rcu re- rec ree reg ren reo rep rer reu rgc rge rgg rgn rgo rgp rgr rnc rng rnn rno rnp rnr rnu roc roe rog ron roo rop ror rou rpc rpe rpg rpn rpo rpp rpr rpu rrc rrg rrn rrp rrr rru ruc rue rug run ruo rup rur ruu ucc uce ucg ucn uco ucp ucr ucu uec uee ueg uen uep uer ugc uge ugg ugn ugo ugp ugr ugu un- unc une ung unn uno unp unr unu uoc uoe uog uon uoo uop uor up- upc upe upg upn upo upp upr upu ur- urc ure urg urn uro urp urr uru uuc uue uug uun uur uuu