The groupings: 

Round 1

Group A: Sri Lanka, Ireland, the Netherlands and Namibia
Group B: Bangladesh, Scotland, Papua New Guinea and Oman

A1: Srilanka, A2: Namibia

B1: Scotland B2: Bangladesh

Super 12s

Group 1: England, Australia, South Africa, West Indies, A1 and B2.
Group 2: India, Pakistan, New Zealand, Afghanistan, A2 and B1