-al a-a a-b a-c aaa aab aac aak aal aaw ab- aba abb abc abk abl abw ac- aca acb acc ack acl acw aka akb akc akk akl akw al- ala alb alc alk all alw aw- awa awb awc awk awl aww baa bab bac bak bal baw bba bbb bbc bbk bbl bbw bca bcb bcc bck bcl bka bkb bkc bkk bkl bkw bla blb blc blk bll bwa bwb bwc bwk bwl c-- caa cab cac cak cal caw cba cbb cbc cbk cbl cbw cca ccb ccc cck ccl ccw cka ckb ckc ckw cl- cla clb clc clk cll clw cw- cwa cwb cwc cwk cwl ka- kaa kab kac kak kal kaw kba kbb kbc kbk kbl kbw kca kcb kcc kck kcl kkb kkc kkk kkl kl- kla klb klc kw- kwa kwc kwk kww la- laa lab lac lak lal law lba lbb lbc lbk lbl lbw lca lcb lcc lck lcl lcw lka lkb lkl lla llb llc llk lll llw lwa lwb lwc lwl lww waa wab wac wak wal waw wba wbb wbc wbw wca wcb wcc wck wcl wcw wka wkb wkc wkw wl- wla wlb wlc wll wlw wwa wwc wwl www