a-a a-b aaa aab aad aaj aav ab- aba abb abd abj abv ad- ada adb add adj adv aja ajb ajd ajj av- ava avb avd baa bab bad baj bav bba bbb bbd bda bdb bdd bdj bdv bja bjd bjj bva bvb bvd bvv daa dab dad daj dav dba dbb dbd dbv dda ddb ddd dj- dja djb djd djv dva dvb dvd dvj j-d jaa jab jad jaj jav jba jbj jda jdb jdv jja jjb jjj jvb v-a vaa vab vad vaj vav vba vbd vbv vdb vdd vdj vdv vja vva vvb vvv