a-a a-b aaa aab aad aaj aan aav ab- aba abb abd abj abn abv ad- ada adb add adj adn adv aja ajb ajd ajj ajn an- ana anb and anj ann anv av- ava avb avd avn baa bab bad baj ban bav bba bbb bbd bbn bda bdb bdd bdj bdv bja bjd bjj bjn bna bnb bnd bnj bnn bnv bva bvb bvd bvn bvv daa dab dad daj dan dav dba dbb dbd dbn dbv dda ddb ddd ddn dj- dja djb djd djv dna dnb dnd dnj dnn dva dvb dvd dvj dvn j-d jaa jab jad jaj jan jav jba jbj jda jdb jdn jdv jja jjb jjj jna jnd jnj jnn jvb jvn naa nab nad naj nan nav nba nbb nbd nbn nbv nda ndb ndd ndn ndv nja njn nna nnb nnn nnv nva nvb nvd nvn nvv v-a vaa vab vad vaj van vav vba vbd vbv vdb vdd vdj vdv vja vn- vna vnd vnj vnv vva vvb vvv