In the simple past and hesternal past (57b), there is an added H on the final vowel (which spreads leftward, when prepausal) and causes deletion of preceding Hs.

But this was subterfuge to defeat the curiosity of a chance discoverer.

[…] he sometimes saw, between him and the ground, lightening the darkness, greyening the leaves and, in wet weather, tinseling the rain, a fascia of white light.

He was peer-pressured into taking drugs.