-er -ic -up c-- ccc cce ccg cci ccn ccp ccr ccu ccz ce- cec cee ceg cei cen cep cer ceu cez cgc cge cgg cgi cgn cgp cgr cgu ci- cic cie cig cii cin cip cir ciu cn- cnc cne cng cni cnn cnp cnr cnu cpc cpe cpg cpi cpn cpp cpr cpu cpz crc cre crg cri crn crp crr cru crz cuc cue cug cui cun cup cur cuu cuz cz- czc cze ec- ecc ece ecg eci ecn ecr ecu eec eee eeg een eep eer egc ege egg egi egn egp egr egu eic eie eig eii ein eip eir eiu en- enc ene eng eni enn enp enr enu enz ep- epc epe epg epi epn epp epr epu epz erc ere erg eri ern erp err eru erz eu- euc eue eug eui eun eup eur eze ezr ezz g-p gcc gce gcg gci gcn gcp gcr gcu ge- gec gee geg gei gen gep ger geu gez ggc ggg ggi ggn ggp ggr ggu ggz gic gie gig gii gin gip gir giu giz gnc gne gni gnn gnp gnr gnu gpc gpe gpg gpi gpn gpp gpr gpu gpz grc gre grg gri grn grp grr gru gu- guc gue gug gui gun gup gur guu guz gzp gzr gzu icc ice icg ici icn icp icr icu icz ie- iec iee ieg iei ien iep ier igc ige igg igi ign igp igr igu iic iie iii iin iip iir iiu in- inc ine ing ini inn inp inr inu ipc ipe ipg ipi ipn ipp ipr ipu ir- irc ire irg iri irn irp irr iru iu- iuc iue iug iui iup iur iuz ize izi izu izz n-i ncc nce ncg nci ncn ncp ncr ncu ne- nec nee neg nei nen nep ner neu nez ngc nge ngg ngi ngn ngp ngu nic nie nig nii nin nip nir niu niz nnc nne nng nni nnn nnp nnu nnz npc npe npg npi npn npp npr npu npz nrc nre nrg nri nrn nrp nrr nru nrz nuc nue nug nui nun nup nur nuu nze nzg nzi nzp nzz p-p pcc pce pcg pci pcn pcp pcr pcu pec pee peg pei pen pep per peu pez pgc pge pgg pgi pgn pgp pgr pic pie pig pii pin pip pir piu piz pn- pnc pne png pni pnn pnp pnr pnu ppc ppe ppg ppi ppn ppp ppr ppu ppz prc pre prg pri prn prp prr pru prz puc pue pug pui pun pup pur puu puz pzc pzp rcc rce rcg rci rcn rcp rcr rcu re- rec ree reg rei ren rep rer reu rez rgc rge rgg rgi rgn rgp rgr ric rie rig rii rin rip rir riz rnc rng rni rnn rnp rnr rnu rnz rpc rpe rpg rpi rpn rpp rpr rpu rpz rrc rrg rri rrn rrp rrr rru ruc rue rug rui run rup rur ruu ruz rze ucc uce ucg uci ucn ucp ucr ucu uec uee ueg uei uen uep uer ugc uge ugg ugi ugn ugp ugr ugu uic uie uig uii uin uip uir uiu un- unc une ung uni unn unp unr unu up- upc upe upg upi upn upp upr upu upz ur- urc ure urg uri urn urp urr uru urz uuc uue uug uun uur uuu uzi uzu z-g zce zec zee zen zep zer zez zgg zgi zie zig zin zip zir ziz znc zne znn znp zpc zpe zpg zpi zpp zpr zpu zrp zuc zug zui zun zur zuz zzr zzz