-al -er a-a a-c aaa aac aad aae aag aah aal aar ac- aca acc acd ace acg ach acl acr ad- ada adc add ade adg adh adl adr aea aec aed aee aeg aeh ael aer ag- aga agc agd age agg agh agl agr aha ahc ahd ahe ahg ahh ahl ahr al- ala alc ald ale alg alh all alr ar- ara arc ard are arg arh arl arr c-- caa cac cad cae cag cah cal car cca ccc ccd cce ccg cch ccl ccr cda cdc cdd cde cdg cdh cdl cdr ce- cea cec ced cee ceg ceh cel cer cga cgc cgd cge cgg cgh cgl cgr ch- cha chc chd che chg chh chl chr cl- cla clc cld cle clg clh cll clr cra crc crd cre crg crh crl crr daa dac dad dae dag dah dal dar dca dcc dcd dce dcg dcl dcr dda ddc ddd dde ddg ddh ddl ddr de- dea dec ded dee deg deh del der dga dgc dgd dge dgg dgh dgl dgr dh- dha dhc dhd dhe dhh dhl dhr dl- dla dlc dld dle dlg dlh dll dlr dra drc drd dre drg drl drr eaa eac ead eae eag eah eal ear ec- eca ecc ecd ece ecg ech ecl ecr ed- eda edc edd ede edg edh edl edr eea eec eed eee eeg eel eer ega egc egd ege egg egh egl egr eha ehc ehd ehe ehg ehh ehl ehr ela elc eld ele elg elh ell elr era erc erd ere erg erh erl err g-d gaa gac gad gae gag gah gal gar gca gcc gcd gce gcg gch gcl gcr gda gdc gdd gde gdh gdl gdr ge- gea gec ged gee geg geh gel ger gga ggc ggd ggg ggh ggr gha ghc ghd ghe ghg ghh ghl ghr gla glc gld gle glg glh gll glr gra grc grd gre grg grh grl grr haa hac had hae hag hah hal har hca hcc hcd hce hcg hch hcl hcr hda hdc hdd hde hdg hdh hdl hdr he- hea hec hed hee heg heh hel her hga hgc hge hgg hgh hgl hgr hha hhc hhd hhe hhg hhh hhl hhr hla hlc hld hle hlg hlh hll hlr hr- hra hrc hrd hre hrg hrh hrl hrr la- laa lac lad lae lag lah lal lar lca lcc lcd lce lcg lch lcl lcr lda ldc ldd lde ldg ldh ldl ldr lea lec led lee leg leh lel ler lga lgc lgd lge lgg lgh lgl lgr lha lhc lhd lhh lhr lla llc lld lle llg lll llr lra lrc lrd lrg lrh lrr ra- raa rac rad rae rag rah ral rar rca rcc rcd rce rcg rch rcl rcr rda rdc rdd rde rdg rdh rdl rdr re- rea rec red ree reg reh rel rer rga rgc rgd rge rgg rgh rgr rh- rha rhc rhd rhe rhg rhh rhl rhr rla rlc rld rle rlg rlh rll rlr rra rrc rrd rrg rrh rrl rrr