-al a-a a-b a-c aaa aab aac aaj aak aal aas ab- aba abb abc abj abk abl abs ac- aca acb acc acj ack acl acs aja ajb ajc ajj ajk ajl ajs aka akb akc akj akk akl aks al- ala alb alc alj alk all als as- asa asb asc asj ask asl ass baa bab bac baj bak bal bas bba bbb bbc bbk bbl bbs bca bcb bcc bcj bck bcl bcs bja bjc bjj bjk bjs bka bkb bkc bkk bkl bks bla blb blc blj blk bll bls bsa bsb bsc bsj bsk bsl bss c-- c-j caa cab cac caj cak cal cas cba cbb cbc cbj cbk cbl cbs cca ccb ccc ccj cck ccl ccs cja cjb cjc cjk cjs cka ckb ckc cks cl- cla clb clc clj clk cll cls csa csb csc csj csk csl css jaa jab jac jaj jak jal jas jba jbc jbj jbk jbl jbs jca jcb jcc jck jcl jcs jja jjb jjc jjj jjk jjl jjs jka jkb jkk jkl jks jla jlb jlc jll jls jsa jsb jsc jsj jsk jsl jss ka- kaa kab kac kaj kak kal kas kba kbb kbc kbk kbl kbs kca kcb kcc kck kcl kcs kjb kjc kjs kkb kkc kkk kkl kks kl- kla klb klc kls ksa ksb ksc ksk ksl kss la- laa lab lac laj lak lal las lba lbb lbc lbj lbk lbl lbs lca lcb lcc lcj lck lcl lcs ljj ljs lka lkb lkl lks lla llb llc llj llk lll lls lsa lsb lsc lsj lsk lsl lss saa sab sac saj sak sal sas sba sbb sbc sbj sbk sbl sbs sca scb scc scj sck scl scs sja sjb sjc sjj sjk sjs sk- ska skb skc skj skk skl sks sla slb slc slj slk sll sls ss- ssa ssb ssc ssj ssk ssl sss