-al a-a a-b a-c aaa aab aac aaj aal aan ab- aba abb abc abj abl abn ac- aca acb acc acj acl acn aja ajb ajc ajj ajl ajn al- ala alb alc alj all aln an- ana anb anc anj anl ann baa bab bac baj bal ban bba bbb bbc bbl bbn bca bcb bcc bcj bcl bcn bja bjc bjj bjn bla blb blc blj bll bln bna bnb bnc bnj bnl bnn c-- c-j caa cab cac caj cal can cba cbb cbc cbj cbl cbn cca ccb ccc ccj ccl ccn cja cjb cjc cl- cla clb clc clj cll cln cn- cna cnb cnc cnj cnl cnn jaa jab jac jaj jal jan jba jbc jbj jbl jca jcb jcc jcl jja jjb jjc jjj jjl jla jlb jlc jll jln jna jnc jnj jnl jnn la- laa lab lac laj lal lan lba lbb lbc lbj lbl lca lcb lcc lcj lcl lcn ljj ljn lla llb llc llj lll lln lna lnb lnc lnl lnn naa nab nac naj nal nan nba nbb nbc nbl nbn nca ncb ncc ncl ncn nja njc njl njn nla nlb nlc nlj nll nln nna nnb nnc nnl nnn