-al -ly a-a a-b a-c aaa aab aac aal aax aay ab- aba abb abc abl abx aby ac- aca acb acc acl acx acy al- ala alb alc all alx aly ax- axa axl axx ay- aya ayc ayl ayx baa bab bac bal bax bay bba bbb bbc bbl bbx bby bca bcb bcc bcl bcx bcy bla blb blc bll blx bly bxb bxl bxx by- bya byc byl c-- caa cab cac cal cax cay cba cbb cbc cbl cbx cby cca ccb ccc ccl ccx cl- cla clb clc cll clx cly cxc cxl cxx cya cyb cyc cyl la- laa lab lac lal lax lay lba lbb lbc lbl lbx lca lcb lcc lcl lcx lcy lla llb llc lll lly lxc lxx lya lyc lyl lyx xaa xac xal xbc xbl xbx xcb xcl xcx xla xlb xxl xxx xxy xyl xyy yaa yab yac yal yax yay ybc ybl yby yca ycc ycl ycy ylc yll yly yxa yxy yyb yyc yyy