-er -ic a-a a-c a-i aaa aac aad aae aag aai aan aar aas ac- aca acc acd ace acg aci acn acr acs ad- ada adc add ade adg adi adn adr ads aea aec aed aee aeg aei aen aer aes ag- aga agc agd age agg agi agn agr ags ai- aia aic aid aie aig aii ain air ais an- ana anc and ane ang ani ann anr ans ar- ara arc ard are arg ari arn arr ars as- asa asc asd ase asg asi asn asr ass c-- caa cac cad cae cag cai can car cas cca ccc ccd cce ccg cci ccn ccr ccs cda cdc cdd cde cdg cdi cdn cdr cds ce- cea cec ced cee ceg cei cen cer ces cga cgc cgd cge cgg cgi cgn cgr cgs ci- cia cic cid cie cig cii cin cir cis cn- cna cnc cnd cne cng cni cnn cnr cns cra crc crd cre crg cri crn crr crs csa csc csd cse csg csi csn csr css daa dac dad dae dag dai dan dar das dca dcc dcd dce dcg dci dcn dcr dcs dda ddc ddd dde ddg ddi ddn ddr dds de- dea dec ded dee deg dei den der des dga dgc dgd dge dgg dgi dgn dgr dgs di- dia dic did die dig dii din dir dis dna dnc dnd dne dng dni dnn dnr dns dra drc drd dre drg dri drn drr drs dsa dsc dsd dse dsg dsi dsn dsr dss eaa eac ead eae eag eai ean ear eas ec- eca ecc ecd ece ecg eci ecn ecr ecs ed- eda edc edd ede edg edi edn edr eds eea eec eed eee eeg een eer ees ega egc egd ege egg egi egn egr egs eia eic eid eie eig eii ein eir eis en- ena enc end ene eng eni enn enr ens era erc erd ere erg eri ern err ers es- esa esc esd ese esg esi esn esr ess g-d gaa gac gad gae gag gai gan gar gas gca gcc gcd gce gcg gci gcn gcr gcs gda gdc gdd gde gdi gdn gdr gds ge- gea gec ged gee geg gei gen ger ges gga ggc ggd ggg ggi ggn ggr ggs gia gic gid gie gig gii gin gir gis gna gnc gnd gne gni gnn gnr gns gra grc grd gre grg gri grn grr grs gsa gsc gsd gse gsg gsi gsn gsr gss i-d ia- iaa iac iad iae iag iai ian iar ias ica icc icd ice icg ici icn icr ics ida idc idd ide idg idi idn idr ids ie- iea iec ied iee ieg iei ien ier ies iga igc igd ige igg igi ign igr igs iia iic iid iie iii iin iir iis in- ina inc ind ine ing ini inn inr ins ir- ira irc ird ire irg iri irn irr irs is- isa isc isd ise isg isi isn isr iss n-i naa nac nad nae nag nai nan nar nas nca ncc ncd nce ncg nci ncn ncr ncs nda ndc ndd nde ndg ndi ndn ndr nds ne- nea nec ned nee neg nei nen ner nes nga ngc ngd nge ngg ngi ngn ngs nia nic nid nie nig nii nin nir nis nna nnc nne nng nni nnn nns nra nrc nrd nre nrg nri nrn nrr nrs nsa nsc nsd nse nsg nsi nsn nsr nss ra- raa rac rad rae rag rai ran rar ras rca rcc rcd rce rcg rci rcn rcr rcs rda rdc rdd rde rdg rdi rdn rdr rds re- rea rec red ree reg rei ren rer res rga rgc rgd rge rgg rgi rgn rgr rgs ria ric rid rie rig rii rin rir ris rna rnc rnd rng rni rnn rnr rns rra rrc rrd rrg rri rrn rrr rrs rsa rsc rsd rse rsg rsi rsn rsr rss saa sac sad sae sag sai san sar sas sca scc scd sce scg sci scn scr scs sda sdc sdd sde sdg sdi sdn sdr sds se- sea sec sed see seg sei sen ser ses sga sgc sgd sge sgg sgi sgn sgr sgs sia sic sid sie sig sii sin sir sis sna snc snd sne sng sni snn snr sns sr- sra src srd sre srg sri srn srr srs ss- ssa ssc ssd sse ssg ssi ssn ssr sss