bbb bbi bbn bbs bi- bib bii bin bis bnb bni bnn bns bsb bsi bsn bss ibb ibi ibn ibs iib iii iin iis in- inb ini inn ins is- isb isi isn iss n-i nbb nbi nbn nbs nib nii nin nis nnb nni nnn nns nsb nsi nsn nss sbb sbi sbn sbs sib sii sin sis snb sni snn sns ss- ssb ssi ssn sss

bbbb bbbs bbin bibb bibi bibs biin biis bin- bini binn bins bis- biss bnib bnin bnss bsin bsns ibis ibns ibsn ibss iiii iiis iisi inis inni inns inss isbn isin isis issi isss n-ii nibi nibs nini nins nisi niss nnnn nnss nsin nsis nssb nsss s-ib s-ii sbbs sbsi sibi sibs sini sinn sins sisi siss snib snns ssbn ssin ssis ssns sssb sssi ssss

bibbs bibin bibis binns bisin bsins iiiii inbin inini innis insin is-is isbns isisi nibbi niibi ninib nisin s-iii si-in sibin sinis sinni sisis sissi sssss

bbbbbb siiiii sinbin sinini sisisi sissin

bbbbbbb bissibi nib-nib nin-sin nisibis sin-bin sinsini sisinis sssssss

bbbbbbbb i-ii-iii ibbi-sin

issisisis

bbbbbbbbbbbbbbb

iiiiiiiiiiiiiiiis