yigh

But, of course, both yigh and nay operate typically across sentence or utterance boundaries between two speakers, as: Person A. /a kɔɵnt dʏː ɪt/ ‘I can’t do it.’ Person B. /jaɪ ðɛ kɔn/ ‘Yigh (oh yes), thou can!’

1999, Graham Shorrocks, A Grammar of the Dialect of the Bolton Area (University of Bamberg Studies in English Linguistics; 42), part II (Morphology and Syntax), Frankfurt am Main: Peter Lang, →ISBN, page 206