-er -ic c-- ccc ccd cce ccg cci ccr ccs ccu ccv cdc cdd cde cdg cdi cdr cds cdu cdv ce- cec ced cee ceg cei cer ces ceu cev cgc cgd cge cgg cgi cgr cgs cgu cgv ci- cic cid cie cig cii cir cis ciu civ crc crd cre crg cri crr crs cru crv csc csd cse csg csi csr css csu csv cuc cud cue cug cui cur cus cuu cuv cvc cvd cve cvg cvi cvr cvs cvu cvv dcc dcd dce dcg dci dcr dcs dcu dcv ddc ddd dde ddg ddi ddr dds ddu de- dec ded dee deg dei der des deu dev dgc dgd dge dgg dgi dgr dgs dgu di- dic did die dig dii dir dis diu div drc drd dre drg dri drr drs dru drv dsc dsd dse dsg dsi dsr dss dsu dsv duc dud due dug dui dur dus duv dvc dvd dve dvg dvi dvr dvs dvu ec- ecc ecd ece ecg eci ecr ecs ecu ecv ed- edc edd ede edg edi edr eds edu eec eed eee eeg eer ees eev egc egd ege egg egi egr egs egu eic eid eie eig eii eir eis eiu eiv erc erd ere erg eri err ers eru erv es- esc esd ese esg esi esr ess esu esv eu- euc eud eue eug eui eur eus euv evc evd eve evg evi evr evs evv g-d gcc gcd gce gcg gci gcr gcs gcu gdc gdd gde gdi gdr gds gdu gdv ge- gec ged gee geg gei ger ges geu gev ggc ggd ggg ggi ggr ggs ggu ggv gic gid gie gig gii gir gis giu giv grc grd gre grg gri grr grs gru grv gsc gsd gse gsg gsi gsr gss gsu gsv gu- guc gud gue gug gui gur gus guu guv gvc gvd gve gvg gvi gvr gvs gvu i-d i-v icc icd ice icg ici icr ics icu icv idc idd ide idg idi idr ids idu idv ie- iec ied iee ieg iei ier ies iev igc igd ige igg igi igr igs igu iic iid iie iii iir iis iiu ir- irc ird ire irg iri irr irs iru irv is- isc isd ise isg isi isr iss isu isv iu- iuc iud iue iug iui iur ius ivc ivd ive ivg ivi ivr ivs ivu ivv rcc rcd rce rcg rci rcr rcs rcu rcv rdc rdd rde rdg rdi rdr rds rdu rdv re- rec red ree reg rei rer res reu rev rgc rgd rge rgg rgi rgr rgs rgv ric rid rie rig rii rir ris riv rrc rrd rrg rri rrr rrs rru rsc rsd rse rsg rsi rsr rss rsu rsv ruc rud rue rug rui rur rus ruu ruv rvc rvd rve rvg rvi rvr rvs rvu rvv scc scd sce scg sci scr scs scu scv sdc sdd sde sdg sdi sdr sds sdu sdv se- sec sed see seg sei ser ses seu sev sgc sgd sge sgg sgi sgr sgs sgu sgv sic sid sie sig sii sir sis siu siv sr- src srd sre srg sri srr srs srv ss- ssc ssd sse ssg ssi ssr sss ssu ssv suc sud sue sug sui sur sus suu suv svc svd sve svg svi svr svs svu svv ucc ucd uce ucg uci ucr ucs ucu ucv udc udd ude udg udi udr uds udu udv uec ued uee ueg uei uer ues ugc uge ugg ugi ugr ugs ugu uic uid uie uig uii uir uis uiu ur- urc urd ure urg uri urr urs uru usc usd use usg usi usr uss usu usv uuc uue uug uur uus uuu uvc uve uvs uvu uvv v-e vcc vcd vce vci vcr vcs vcu vdc vdd vde vdg vdi vdr vds vdu vdv vec ved vee veg vei ver ves veu vgc vgg vgr vgs vgu vi- vic vid vie vig vii vir vis viu viv vrc vrd vre vrg vri vrr vrs vru vsc vsd vse vsg vsi vsr vss vsu vsv vue vug vur vus vuv vvc vvg vvi vvr vvs vvv