It's a greatwaytolearnvowelsbyassociatingthemwitheachotherandseeingthedifferenceislikewhereyouhavetomoveyourtongueforeachsound.
Sohopefullyyou'reatleastpronouncingoneortwoofthosethreevowsin a betterwaynowthanyouwerebefore.
Ifnot, thenyoumightneedsomeactualpersonaltrainingwithmesothat I cantellyouifyourtongueistoohighortooloworinthewrongplace, andthenwecanstartimprovingittogether.