-er -ic -up c-- ccc cce ccg cci cco ccp ccr ccu ce- cec cee ceg cei ceo cep cer ceu cgc cge cgg cgi cgo cgp cgr cgu ci- cic cie cig cii cio cip cir ciu co- coc coe cog coi coo cop cor cou cpc cpe cpg cpi cpo cpp cpr cpu crc cre crg cri cro crp crr cru cuc cue cug cui cuo cup cur cuu ec- ecc ece ecg eci eco ecr ecu eec eee eeg eeo eep eer egc ege egg egi ego egp egr egu eic eie eig eii eio eip eir eiu eo- eoc eoe eog eoi eoo eop eor eou ep- epc epe epg epi epo epp epr epu erc ere erg eri ero erp err eru eu- euc eue eug eui eup eur g-p gcc gce gcg gci gco gcp gcr gcu ge- gec gee geg gei geo gep ger geu ggc ggg ggi ggo ggp ggr ggu gic gie gig gii gio gip gir giu goc goe gog goi goo gop gor gou gpc gpe gpg gpi gpo gpp gpr gpu grc gre grg gri gro grp grr gru gu- guc gue gug gui guo gup gur guu icc ice icg ici ico icp icr icu ie- iec iee ieg iei iep ier igc ige igg igi igo igp igr igu iic iie iii iio iip iir iiu io- ioc ioe iog ioi ioo iop ior iou ipc ipe ipg ipi ipo ipp ipr ipu ir- irc ire irg iri iro irp irr iru iu- iuc iue iug iui iup iur o-i oc- occ ocg oci oco ocp ocr ocu oec oee oeg oei oeo oep oer ogc oge ogg ogi ogo ogp oic oie oii oio oip oir oiu oo- ooc oog ooi ooo oop oor op- opc ope opg opi opo opp opr or- orc ore org ori oro orp orr oru ou- ouc oue oui ouo oup our p-p pcc pce pcg pci pco pcp pcr pcu pec pee peg pei peo pep per peu pgc pge pgg pgi pgo pgp pgr pic pie pig pii pio pip pir piu poc poe pog poi poo pop por pou ppc ppe ppg ppi ppo ppp ppr ppu prc pre prg pri pro prp prr pru puc pue pug pui pup pur puu rcc rce rcg rci rco rcp rcr rcu re- rec ree reg rei reo rep rer reu rgc rge rgg rgi rgo rgp rgr ric rie rig rii rio rip rir roc roe rog roi roo rop ror rou rpc rpe rpg rpi rpo rpp rpr rpu rrc rrg rri rrp rrr rru ruc rue rug rui ruo rup rur ruu ucc uce ucg uci uco ucp ucr ucu uec uee ueg uei uep uer ugc uge ugg ugi ugo ugp ugr ugu uic uie uig uii uio uip uir uiu uoc uoe uog uoo uop uor up- upc upe upg upi upo upp upr upu ur- urc ure urg uri uro urp urr uru uuc uue uug uur uuu