a-a a-b aaa aab aad aah aan aav ab- aba abb abd abh abn abv ad- ada adb add adh adn adv aha ahb ahd ahh ahn ahv an- ana anb and anh ann anv av- ava avb avd avh avn baa bab bad bah ban bav bba bbb bbd bbh bbn bda bdb bdd bdh bdv bha bhb bhd bhh bhv bna bnb bnd bnn bnv bva bvb bvd bvh bvn bvv daa dab dad dah dan dav dba dbb dbd dbh dbn dbv dda ddb ddd ddh ddn dh- dha dhb dhd dhh dna dnb dnd dnh dnn dva dvb dvd dvh dvn haa hab had hah han hav hba hbb hbd hbh hbn hbv hda hdb hdd hdh hdn hdv hha hhb hhd hhh hhn hhv hna hnb hnd hnh hnn hnv hv- hva hvb hvd hvn hvv naa nab nad nah nan nav nba nbb nbd nbn nbv nda ndb ndd ndh ndn ndv nha nhb nhd nhh nhn nhv nna nnb nnh nnn nnv nva nvb nvd nvh nvn nvv v-a vaa vab vad vah van vav vba vbd vbh vbv vdb vdd vdh vdv vh- vha vhb vhd vn- vna vnd vnv vva vvb vvv