-al a-a a-b a-c aaa aab aac aad aag aah aal ab- aba abb abc abd abg abh abl ac- aca acb acc acd acg ach acl ad- ada adb adc add adg adh adl ag- aga agb agc agd agg agh agl aha ahb ahc ahd ahg ahh ahl al- ala alb alc ald alg alh all baa bab bac bad bag bah bal bba bbb bbc bbd bbg bbh bbl bca bcb bcc bcd bcg bch bcl bda bdb bdc bdd bdg bdh bdl bga bgb bgc bgd bgg bgh bgl bha bhb bhc bhd bhg bhh bhl bla blb blc bld blg blh bll c-- caa cab cac cad cag cah cal cba cbb cbc cbd cbg cbh cbl cca ccb ccc ccd ccg cch ccl cda cdb cdc cdd cdg cdh cdl cga cgb cgc cgd cgg cgh cgl ch- cha chb chc chd chg chh chl cl- cla clb clc cld clg clh cll daa dab dac dad dag dah dal dba dbb dbc dbd dbg dbh dbl dca dcb dcc dcd dcg dcl dda ddb ddc ddd ddg ddh ddl dga dgc dgd dgg dgh dgl dh- dha dhb dhc dhd dhh dhl dl- dla dlb dlc dld dlg dlh dll g-d gaa gab gac gad gag gah gal gba gbc gbd gbg gbh gbl gca gcb gcc gcd gcg gch gcl gda gdb gdc gdd gdh gdl gga ggb ggc ggd ggg ggh gha ghb ghc ghd ghg ghh ghl gla glb glc gld glg glh gll haa hab hac had hag hah hal hba hbb hbc hbd hbg hbh hbl hca hcb hcc hcd hcg hch hcl hda hdb hdc hdd hdg hdh hdl hga hgb hgc hgg hgh hgl hha hhb hhc hhd hhg hhh hhl hla hlb hlc hld hlg hlh hll la- laa lab lac lad lag lah lal lba lbb lbc lbd lbg lbh lbl lca lcb lcc lcd lcg lch lcl lda ldb ldc ldd ldg ldh ldl lga lgb lgc lgd lgg lgh lgl lha lhb lhc lhd lhh lla llb llc lld llg lll