The first was sometimes, but rarely, tinged with mere suspicion --a faint questioning tone, a half-note higher inflection on the last half of the second syllable, almost making it three syllables. The latter was used when there was "no doubt about it, prima facie guilt" such as when I let slip an impolite word or my fly was open or my shirt was buttoned wrong and the like, and was usually immediate on perceiving the offense.
Oh, how I prayed to have been given a one-syllable name, like George or Blake or Lorne or Mark. But alas, it was not to be.
Alas.