Greece consists of 13 administrative regions known as Peripheries of Greece, which are further subdivided into 51 prefectures (nomoi, singular - nomos):
... n)
Dental (tongue against teeth, like Spanish) (t, th, d, dh, n)
Labial (with the lips[?]) (p, ph, b, bh, m)
It also has four semivowels: y, r, l, v. All of these ...