The sounds [b] and [d] are pronounced with greater tension – try saying [pb] without separating your lips after [p], and [td] without removing your tongue from your teeth after [t].
Added 3 minutes later
This is too expensive.
thlai naKh
Знание некоторых закономерностей освобождает от изучения многих фактов.
Мечты сбываются рано или поздно, так или иначе.