Some of my guesses that did not work:

NatashaIsBlindWomenAndDidNotKnow
SatoshiLostAllHisTeethInHisMouth
NatashaLostAllHerTeethInHerMouth
TheAnswerToTheQuestionIsABitcoin
BecauseHerMouthIsLocatedOnHerTop
ASingleToothHoldsAOneMillionKeys
ItsOneToothForEveryOneMillionKey
ItHasOneToothForEveryMillionKeys

I give up for today. Will try again tomorrow.