ISBN NUMBER@1 -LRB- NUMBER@2 -RRB- Pyrohy or pirogi -LRB- plural -RRB- are full-sized pies , while pyrizhky or pirozhki -LRB- , -RRB- are individual-sized buns that can be eaten with one hand .

Pyrohy or pirogi are full-sized pies , while pyrizhky or pirozhki are smaller-sized pies that can be eaten with one hand .
