a-a a-b a-i aaa aab aai aan aas aav ab- aba abb abi abn abs abv ai- aia aib aii ain ais aiv an- ana anb ani ann ans anv as- asa asb asi asn ass asv av- ava avb avi avn avs baa bab bai ban bas bav bba bbb bbi bbn bbs bi- bia bib bii bin bis biv bna bnb bni bnn bns bnv bsa bsb bsi bsn bss bsv bva bvb bvi bvn bvs bvv i-v ia- iaa iab iai ian ias iav iba ibb ibi ibn ibs ibv iia iib iii iin iis in- ina inb ini inn ins inv is- isa isb isi isn iss isv iva ivb ivi ivs ivv n-i naa nab nai nan nas nav nba nbb nbi nbn nbs nbv nia nib nii nin nis niv nna nnb nni nnn nns nnv nsa nsb nsi nsn nss nsv nva nvb nvi nvn nvv saa sab sai san sas sav sba sbb sbi sbn sbs sbv sia sib sii sin sis siv sna snb sni snn sns snv ss- ssa ssb ssi ssn sss ssv sva svb svi svn svs svv v-a vaa vab vai van vas vav vba vbi vbs vbv vi- via vib vii vin vis viv vn- vna vni vns vnv vsa vsb vsi vsn vss vsv vva vvb vvi vvs vvv