bbbb bbbs bbin bibb bibi bibs biin biis biji bijs biju bin- bini binn bins binu bis- biss bisu bjni bnib bnin bnss bsin bsns bubb bubi bubs bubu buin buis buiu buji buju bunb buni bunn buns bunu busi buss busu buus ibis ibns ibsn ibss ibus iiii iiis iisi iisj iisu ijji ijui ijun inis inji inju inni inns innu inss insu inui inun inus isbn isin isis issi isss issu isus iuiu iuss jibb jibi jibs jiji jiju jini jinn jins jsss jubu juin juis juju junb juni junu jusi juss n-ii nbbj nibi nibs niiu niji nini nins nisi niss nisu njbs nnnn nnss nsin nsis nssb nsss nsub nubi nubs nuin nunn nuns nusi nuss nusu s-ib s-ii sbbs sbsi sbus sibi sibs sibu sini sinj sinn sins sinu sisi siss sisu siui sius sjis sjsu snib snns snub snus ssbn ssin ssis ssns sssb sssi ssss sub- subb subi subj subs suin suis suji sun- sunb suni sunj sunn suns sunu sus- susi suss susu suus ubbi ubii ubis uni- unii unin unis unji unni unns uns- unus usbs usin usis usnu ussb usss ussu usui usun usus uuni uusi uuuu