-al a-a a-b a-c aaa aab aac aag aah aal aas ab- aba abb abc abg abh abl abs ac- aca acb acc acg ach acl acs ag- aga agb agc agg agh agl ags aha ahb ahc ahg ahh ahl ahs al- ala alb alc alg alh all als as- asa asb asc asg ash asl ass baa bab bac bag bah bal bas bba bbb bbc bbg bbh bbl bbs bca bcb bcc bcg bch bcl bcs bga bgb bgc bgg bgh bgl bgs bha bhb bhc bhg bhh bhl bhs bla blb blc blg blh bll bls bsa bsb bsc bsg bsh bsl bss c-- caa cab cac cag cah cal cas cba cbb cbc cbg cbh cbl cbs cca ccb ccc ccg cch ccl ccs cga cgb cgc cgg cgh cgl cgs ch- cha chb chc chg chh chl chs cl- cla clb clc clg clh cll cls csa csb csc csg csh csl css gaa gab gac gag gah gal gas gba gbc gbg gbh gbl gbs gca gcb gcc gcg gch gcl gcs gga ggb ggc ggg ggh ggs gha ghb ghc ghg ghh ghl ghs gla glb glc glg glh gll gls gsa gsb gsc gsg gsl gss haa hab hac hag hah hal has hba hbb hbc hbg hbh hbl hbs hca hcb hcc hcg hch hcl hcs hga hgb hgc hgg hgh hgl hgs hha hhb hhc hhg hhh hhl hhs hla hlb hlc hlg hlh hll hls hsa hsb hsc hsg hsh hsl hss la- laa lab lac lag lah lal las lba lbb lbc lbg lbh lbl lbs lca lcb lcc lcg lch lcl lcs lga lgb lgc lgg lgh lgl lgs lha lhb lhc lhh lhs lla llb llc llg lll lls lsa lsb lsc lsg lsh lsl lss saa sab sac sag sah sal sas sba sbb sbc sbg sbh sbl sbs sca scb scc scg sch scl scs sga sgb sgc sgg sgh sgl sgs sh- sha shb shc shg shh shl shs sla slb slc slg slh sll sls ss- ssa ssb ssc ssg ssh ssl sss