-er -ic -up c-- ccc cce ccg cci ccn cco ccp ccr ccu ce- cec cee ceg cei cen ceo cep cer ceu cgc cge cgg cgi cgn cgo cgp cgr cgu ci- cic cie cig cii cin cio cip cir ciu cn- cnc cne cng cni cnn cno cnp cnr cnu co- coc coe cog coi con coo cop cor cou cpc cpe cpg cpi cpn cpo cpp cpr cpu crc cre crg cri crn cro crp crr cru cuc cue cug cui cun cuo cup cur cuu ec- ecc ece ecg eci ecn eco ecr ecu eec eee eeg een eeo eep eer egc ege egg egi egn ego egp egr egu eic eie eig eii ein eio eip eir eiu en- enc ene eng eni enn eno enp enr enu eo- eoc eoe eog eoi eon eoo eop eor eou ep- epc epe epg epi epn epo epp epr epu erc ere erg eri ern ero erp err eru eu- euc eue eug eui eun eup eur g-p gcc gce gcg gci gcn gco gcp gcr gcu ge- gec gee geg gei gen geo gep ger geu ggc ggg ggi ggn ggo ggp ggr ggu gic gie gig gii gin gio gip gir giu gnc gne gni gnn gno gnp gnr gnu goc goe gog goi gon goo gop gor gou gpc gpe gpg gpi gpn gpo gpp gpr gpu grc gre grg gri grn gro grp grr gru gu- guc gue gug gui gun guo gup gur guu icc ice icg ici icn ico icp icr icu ie- iec iee ieg iei ien iep ier igc ige igg igi ign igo igp igr igu iic iie iii iin iio iip iir iiu in- inc ine ing ini inn ino inp inr inu io- ioc ioe iog ioi ion ioo iop ior iou ipc ipe ipg ipi ipn ipo ipp ipr ipu ir- irc ire irg iri irn iro irp irr iru iu- iuc iue iug iui iup iur n-i ncc nce ncg nci ncn nco ncp ncr ncu ne- nec nee neg nei nen neo nep ner neu ngc nge ngg ngi ngn ngo ngp ngu nic nie nig nii nin nio nip nir niu nnc nne nng nni nnn nno nnp nnu no- noc noe nog noi non noo nop nor nou npc npe npg npi npn npo npp npr npu nrc nre nrg nri nrn nro nrp nrr nru nuc nue nug nui nun nuo nup nur nuu o-i oc- occ ocg oci ocn oco ocp ocr ocu oec oee oeg oei oen oeo oep oer ogc oge ogg ogi ogn ogo ogp oic oie oii oin oio oip oir oiu on- onc one ong oni onn ono onp onr onu oo- ooc oog ooi oon ooo oop oor op- opc ope opg opi opn opo opp opr or- orc ore org ori orn oro orp orr oru ou- ouc oue oui oun ouo oup our p-p pcc pce pcg pci pcn pco pcp pcr pcu pec pee peg pei pen peo pep per peu pgc pge pgg pgi pgn pgo pgp pgr pic pie pig pii pin pio pip pir piu pn- pnc pne png pni pnn pno pnp pnr pnu poc poe pog poi pon poo pop por pou ppc ppe ppg ppi ppn ppo ppp ppr ppu prc pre prg pri prn pro prp prr pru puc pue pug pui pun pup pur puu rcc rce rcg rci rcn rco rcp rcr rcu re- rec ree reg rei ren reo rep rer reu rgc rge rgg rgi rgn rgo rgp rgr ric rie rig rii rin rio rip rir rnc rng rni rnn rno rnp rnr rnu roc roe rog roi ron roo rop ror rou rpc rpe rpg rpi rpn rpo rpp rpr rpu rrc rrg rri rrn rrp rrr rru ruc rue rug rui run ruo rup rur ruu ucc uce ucg uci ucn uco ucp ucr ucu uec uee ueg uei uen uep uer ugc uge ugg ugi ugn ugo ugp ugr ugu uic uie uig uii uin uio uip uir uiu un- unc une ung uni unn uno unp unr unu uoc uoe uog uon uoo uop uor up- upc upe upg upi upn upo upp upr upu ur- urc ure urg uri urn uro urp urr uru uuc uue uug uun uur uuu