-al -ly a-a a-b a-c aaa aab aac aal aap aay ab- aba abb abc abl abp aby ac- aca acb acc acl acp acy al- ala alb alc all alp aly ap- apa apb apc apl app apy ay- aya ayc ayl ayp b-p baa bab bac bal bap bay bba bbb bbc bbl bbp bby bca bcb bcc bcl bcp bcy bla blb blc bll blp bly bpa bpb bpc bpl bpp bpy by- bya byc byl byp c-- caa cab cac cal cap cay cba cbb cbc cbl cbp cby cca ccb ccc ccl ccp cl- cla clb clc cll clp cly cpa cpb cpc cpl cpp cya cyb cyc cyl cyp l-p la- laa lab lac lal lap lay lba lbb lbc lbl lbp lca lcb lcc lcl lcp lcy lla llb llc lll llp lly lpa lpb lpc lpl lpp lya lyc lyl p-p paa pab pac pal pap pay pba pbb pbc pbl pbp pby pca pcb pcc pcl pcp pla plb plc pll plp ply ppa ppb ppc ppl ppp py- pya pyb pyc pyl yaa yab yac yal yap yay ybc ybl ybp yby yca ycc ycl ycp ycy ylc yll yly ypa ypl yyb yyc yyy