-er -ic c-- ccc cce ccg cci ccl ccp ccr ccs ccv ce- cec cee ceg cei cel cep cer ces cev cgc cge cgg cgi cgl cgp cgr cgs cgv ci- cic cie cig cii cil cip cir cis civ cl- clc cle clg cli cll clp clr cls clv cpc cpe cpg cpi cpl cpp cpr cps cpv crc cre crg cri crl crp crr crs crv csc cse csg csi csl csp csr css csv cvc cve cvg cvi cvl cvp cvr cvs cvv ec- ecc ece ecg eci ecl ecr ecs ecv eec eee eeg eel eep eer ees eev egc ege egg egi egl egp egr egs eic eie eig eii eil eip eir eis eiv elc ele elg eli ell elp elr els elv ep- epc epe epg epi epl epp epr eps erc ere erg eri erl erp err ers erv es- esc ese esg esi esl esp esr ess esv evc eve evg evi evl evp evr evs evv g-p gcc gce gcg gci gcl gcp gcr gcs ge- gec gee geg gei gel gep ger ges gev ggc ggg ggi ggp ggr ggs ggv gic gie gig gii gil gip gir gis giv glc gle glg gli gll glp glr gls glv gpc gpe gpg gpi gpl gpp gpr gps grc gre grg gri grl grp grr grs grv gsc gse gsg gsi gsl gsp gsr gss gsv gvc gve gvg gvi gvl gvp gvr gvs i-v icc ice icg ici icl icp icr ics icv ie- iec iee ieg iei iel iep ier ies iev igc ige igg igi igl igp igr igs iic iie iii iil iip iir iis il- ilc ile ilg ili ill ilp ilr ils ilv ipc ipe ipg ipi ipl ipp ipr ips ipv ir- irc ire irg iri irl irp irr irs irv is- isc ise isg isi isl isp isr iss isv ivc ive ivg ivi ivl ivp ivr ivs ivv l-p lcc lce lcg lci lcl lcp lcr lcs lcv lec lee leg lei lel lep ler les lev lgc lge lgg lgi lgl lgp lgr lgs lgv lic lie lig lii lil lip lir lis liv llc lle llg lli lll llp llr lls llv lpc lpe lpg lpi lpl lpp lpr lps lpv lrc lrg lri lrp lrr lrs lrv lsc lse lsg lsi lsl lsp lsr lss lsv lvc lve lvg lvi lvl lvp lvr lvs lvv p-p pcc pce pcg pci pcl pcp pcr pcs pcv pec pee peg pei pel pep per pes pev pgc pge pgg pgi pgl pgp pgr pgs pgv pic pie pig pii pil pip pir pis piv plc ple plg pli pll plp plr pls plv ppc ppe ppg ppi ppl ppp ppr pps ppv prc pre prg pri prl prp prr prs prv ps- psc pse psg psi psl psp psr pss psv pvc pve pvg pvi pvl pvp pvr pvs pvv rcc rce rcg rci rcl rcp rcr rcs rcv re- rec ree reg rei rel rep rer res rev rgc rge rgg rgi rgp rgr rgs rgv ric rie rig rii ril rip rir ris riv rlc rle rlg rli rll rlp rlr rls rpc rpe rpg rpi rpl rpp rpr rps rpv rrc rrg rri rrl rrp rrr rrs rsc rse rsg rsi rsl rsp rsr rss rsv rvc rve rvg rvi rvl rvp rvr rvs rvv scc sce scg sci scl scp scr scs scv se- sec see seg sei sel sep ser ses sev sgc sge sgg sgi sgl sgp sgr sgs sgv sic sie sig sii sil sip sir sis siv slc sle slg sli sll slp slr sls slv spc spe spg spi spl spp spr sps spv sr- src sre srg sri srl srp srr srs srv ss- ssc sse ssg ssi ssl ssp ssr sss ssv svc sve svg svi svl svp svr svs svv v-e vcc vce vci vcl vcp vcr vcs vec vee veg vei vel vep ver ves vgc vgg vgl vgp vgr vgs vi- vic vie vig vii vil vip vir vis viv vl- vlc vle vll vlp vls vlv vpc vpe vpg vpi vpl vpp vpr vps vrc vre vrg vri vrp vrr vrs vsc vse vsg vsi vsl vsp vsr vss vsv vvc vvg vvi vvr vvs vvv