-al -ly a-a a-b a-c aaa aab aac aal aau aay ab- aba abb abc abl abu aby ac- aca acb acc acl acu acy al- ala alb alc all alu aly au- aua aub auc aul ay- aya ayc ayl ayu b-u baa bab bac bal bau bay bba bbb bbc bbl bbu bby bca bcb bcc bcl bcu bcy bla blb blc bll blu bly bua bub buc bul buu buy by- bya byc byl byu c-- caa cab cac cal cau cay cba cbb cbc cbl cbu cby cca ccb ccc ccl ccu cl- cla clb clc cll clu cly cua cub cuc cul cuu cuy cya cyb cyc cyl la- laa lab lac lal lau lay lba lbb lbc lbl lbu lca lcb lcc lcl lcu lcy lla llb llc lll llu lly lua lub luc lul luu luy lya lyc lyl ua- uaa uab uac ual uau uay uba ubb ubc ubl ubu uby uca ucb ucc ucl ucu ula ulb ulc ull ulu uly uua uuc uuu uyc uyu yaa yab yac yal yau yay ybc ybl yby yca ycc ycl ycu ycy ylc yll yly yua yul yuu yuy yyb yyc yyu yyy