-al a-a a-b a-c aaa aab aac aaj aak aal ab- aba abb abc abj abk abl ac- aca acb acc acj ack acl aja ajb ajc ajj ajk ajl aka akb akc akj akk akl al- ala alb alc alj alk all baa bab bac baj bak bal bba bbb bbc bbk bbl bca bcb bcc bcj bck bcl bja bjc bjj bjk bka bkb bkc bkk bkl bla blb blc blj blk bll c-- c-j caa cab cac caj cak cal cba cbb cbc cbj cbk cbl cca ccb ccc ccj cck ccl cja cjb cjc cjk cka ckb ckc cl- cla clb clc clj clk cll jaa jab jac jaj jak jal jba jbc jbj jbk jbl jca jcb jcc jck jcl jja jjb jjc jjj jjk jjl jka jkb jkk jkl jla jlb jlc jll ka- kaa kab kac kaj kak kal kba kbb kbc kbk kbl kca kcb kcc kck kcl kjb kjc kkb kkc kkk kkl kl- kla klb klc la- laa lab lac laj lak lal lba lbb lbc lbj lbk lbl lca lcb lcc lcj lck lcl ljj lka lkb lkl lla llb llc llj llk lll