bbuss blubs blunk bukk- buknu bulb- bulbs bulks bull- bulls bulul bulun bulus bumbu bunks bunuk bunun bunus busks bussu busum busuu klunk knubs kubul kuksu kullu kulul kulun kulus kumlu kumuk kunku kunsu kusum kuusk lbnms lubun lulls lulul lulus lumb- lumsk lumus lunks lunns lusks lusum lusus mbulu mmmmm mukul mukus mulln mulls mumlu mummu mumun munks munsu musks musuk musul n-sub nkubu nu-nu nubus nukus nulls numbl numbs numms nunks nunns nunun nusku nusus s-bus sbuks skulk skull skunk slsmn slubs slums slunk sluss smbus smkls smuss snub- snubs snuss ssbul sssss subbu subss subuk sukuk sukun sulks sulls suluk sulus sumsk sunbl sunbs susuk susun susus suuns ulmus ululu umblu unnun unsu unsub unsun us-ks ussun uuuuu