bbbb bbbs bblb bbls bibb bibi bibl bibs biis bili bilk bill bils bis- bisk bisl biss blik blis blkb blls blss ibis ibss iiii iiis iisi ikki ilis ilki ilks ill- illi ills isbl isil isis isls issi isss kbbb kbbi kbbk kbbl kbbs kbib kbik kbil kbis kbkb kbkk kbkl kblb kbll kbls kbsb kbsi kbsk kbss kibb kibi kibl kibs kiii kiik kiis kiki kikk kilb kili kilk kill kisi kisk kisl kiss kkbb kkbi kkbl kkbs kkik kkkk kklb kkli kkll kkls kksi kkss klbb klbl klbs klib klik klil klis klkk klkl klks kllb kllk klls klsi ksbi ksbl ksbs ksib ksii ksik ksil ksis kskb kskk ksks kslb ksli kslk ksll kssi kssl ksss libs liii liis lilb lili lill lils lisi lisk liss llbs llks llll s-ib s-ii sbbs sbsi sibi sibs siik siki siks sil- sili silk sill sils sisi sisk siss skik skil skis skss sl-i slib slik ssis sssb sssi ssss