a-a a-b aaa aab aah aan aas aav ab- aba abb abh abn abs abv aha ahb ahh ahn ahs ahv an- ana anb anh ann ans anv as- asa asb ash asn ass asv av- ava avb avh avn avs baa bab bah ban bas bav bba bbb bbh bbn bbs bha bhb bhh bhs bhv bna bnb bnn bns bnv bsa bsb bsh bsn bss bsv bva bvb bvh bvn bvs bvv haa hab hah han has hav hba hbb hbh hbn hbs hbv hha hhb hhh hhn hhs hhv hna hnb hnh hnn hns hnv hsa hsb hsh hsn hss hsv hv- hva hvb hvn hvs hvv naa nab nah nan nas nav nba nbb nbn nbs nbv nha nhb nhh nhn nhs nhv nna nnb nnh nnn nns nnv nsa nsb nsh nsn nss nsv nva nvb nvh nvn nvv saa sab sah san sas sav sba sbb sbh sbn sbs sbv sh- sha shb shh shn shs shv sna snb snn sns snv ss- ssa ssb ssh ssn sss ssv sva svb svn svs svv v-a vaa vab vah van vas vav vba vbh vbs vbv vh- vha vhb vhs vn- vna vns vnv vsa vsb vsh vsn vss vsv vva vvb vvs vvv