"It's g-h, Jinny: p-l-o-u-g-h." "Oh, that's what I meant.

I knew it right enough." "Well, now, trough!" "Trough ?" repeated Jinny, in the same slow, vacant way.
"Trough?
Wait, lemme think a minute.

T-r-o...." Polly's lips all but formed the "u," to prevent the "f" she felt impending.

"I'm afraid you'll have to take it again, Jinny dear," she said reluctantly, as nothing further was forthcoming.
"Oh, no, Poll.

T-r-o-" began Jinny with fresh vigour.