bbb bbi bbk bbn bbs bi- bib bii bik bin bis biv bkb bkk bkn bks bkv bnb bni bnk bnn bns bnv bsb bsi bsk bsn bss bsv bvb bvi bvk bvn bvs bvv i-v ibb ibi ibk ibn ibs ibv iib iii iin iis ikb iki ikk iks ikv in- inb ini ink inn ins inv is- isb isi isk isn iss isv ivb ivi ivs ivv kbb kbi kbk kbn kbs kib kii kik kin kis kiv kkb kki kkk kkn kks kkv kn- kni knk knn ksb ksi ksk ksn kss ksv kvb kvi kvk kvn kvs kvv n-i nbb nbi nbk nbn nbs nbv nib nii nik nin nis niv nki nkk nkn nks nnb nni nnk nnn nns nnv nsb nsi nsk nsn nss nsv nvb nvi nvk nvn nvv sbb sbi sbk sbn sbs sbv sib sii sik sin sis siv sk- skb ski skk sks snb sni snk snn sns snv ss- ssb ssi ssk ssn sss ssv svb svi svk svn svs svv vbi vbk vbs vbv vi- vib vii vik vin vis viv vkb vn- vni vns vnv vsb vsi vsk vsn vss vsv vvb vvi vvs vvv