-al -er -ic a-a a-c a-i aaa aac aad aae aag aai aal aar aas ac- aca acc acd ace acg aci acl acr acs ad- ada adc add ade adg adi adl adr ads aea aec aed aee aeg aei ael aer aes ag- aga agc agd age agg agi agl agr ags ai- aia aic aid aie aig aii ail air ais al- ala alc ald ale alg ali all alr als ar- ara arc ard are arg ari arl arr ars as- asa asc asd ase asg asi asl asr ass c-- caa cac cad cae cag cai cal car cas cca ccc ccd cce ccg cci ccl ccr ccs cda cdc cdd cde cdg cdi cdl cdr cds ce- cea cec ced cee ceg cei cel cer ces cga cgc cgd cge cgg cgi cgl cgr cgs ci- cia cic cid cie cig cii cil cir cis cl- cla clc cld cle clg cli cll clr cls cra crc crd cre crg cri crl crr crs csa csc csd cse csg csi csl csr css daa dac dad dae dag dai dal dar das dca dcc dcd dce dcg dci dcl dcr dcs dda ddc ddd dde ddg ddi ddl ddr dds de- dea dec ded dee deg dei del der des dga dgc dgd dge dgg dgi dgl dgr dgs di- dia dic did die dig dii dil dir dis dl- dla dlc dld dle dlg dli dll dlr dls dra drc drd dre drg dri drl drr drs dsa dsc dsd dse dsg dsi dsl dsr dss eaa eac ead eae eag eai eal ear eas ec- eca ecc ecd ece ecg eci ecl ecr ecs ed- eda edc edd ede edg edi edl edr eds eea eec eed eee eeg eel eer ees ega egc egd ege egg egi egl egr egs eia eic eid eie eig eii eil eir eis ela elc eld ele elg eli ell elr els era erc erd ere erg eri erl err ers es- esa esc esd ese esg esi esl esr ess g-d gaa gac gad gae gag gai gal gar gas gca gcc gcd gce gcg gci gcl gcr gcs gda gdc gdd gde gdi gdl gdr gds ge- gea gec ged gee geg gei gel ger ges gga ggc ggd ggg ggi ggr ggs gia gic gid gie gig gii gil gir gis gla glc gld gle glg gli gll glr gls gra grc grd gre grg gri grl grr grs gsa gsc gsd gse gsg gsi gsl gsr gss i-d ia- iaa iac iad iae iag iai ial iar ias ica icc icd ice icg ici icl icr ics ida idc idd ide idg idi idl idr ids ie- iea iec ied iee ieg iei iel ier ies iga igc igd ige igg igi igl igr igs iia iic iid iie iii iil iir iis il- ila ilc ild ile ilg ili ill ilr ils ir- ira irc ird ire irg iri irl irr irs is- isa isc isd ise isg isi isl isr iss la- laa lac lad lae lag lai lal lar las lca lcc lcd lce lcg lci lcl lcr lcs lda ldc ldd lde ldg ldi ldl ldr lds lea lec led lee leg lei lel ler les lga lgc lgd lge lgg lgi lgl lgr lgs lia lic lid lie lig lii lil lir lis lla llc lld lle llg lli lll llr lls lra lrc lrd lrg lri lrr lrs lsa lsc lsd lse lsg lsi lsl lsr lss ra- raa rac rad rae rag rai ral rar ras rca rcc rcd rce rcg rci rcl rcr rcs rda rdc rdd rde rdg rdi rdl rdr rds re- rea rec red ree reg rei rel rer res rga rgc rgd rge rgg rgi rgr rgs ria ric rid rie rig rii ril rir ris rla rlc rld rle rlg rli rll rlr rls rra rrc rrd rrg rri rrl rrr rrs rsa rsc rsd rse rsg rsi rsl rsr rss saa sac sad sae sag sai sal sar sas sca scc scd sce scg sci scl scr scs sda sdc sdd sde sdg sdi sdl sdr sds se- sea sec sed see seg sei sel ser ses sga sgc sgd sge sgg sgi sgl sgr sgs sia sic sid sie sig sii sil sir sis sla slc sld sle slg sli sll slr sls sr- sra src srd sre srg sri srl srr srs ss- ssa ssc ssd sse ssg ssi ssl ssr sss