a-a a-b aaa aab aah aaj aan ab- aba abb abh abj abn aha ahb ahh ahj ahn aja ajb ajh ajj ajn an- ana anb anh anj ann baa bab bah baj ban bba bbb bbh bbn bha bhb bhh bhj bja bjj bjn bna bnb bnj bnn haa hab hah haj han hba hbb hbh hbj hbn hha hhb hhh hhj hhn hja hjn hna hnb hnh hnj hnn jaa jab jah jaj jan jba jbj jha jhj jhn jja jjb jjj jna jnh jnj jnn naa nab nah naj nan nba nbb nbn nha nhb nhh nhj nhn nja njn nna nnb nnh nnn