とか

To break uncomfortable silences while you are searching for words, use とか as filler as follows:

～とか．．．～とか．．．

Example:
友だち：どんな食べ物が好きですか？
Poleさん：えーっと…さかなとか…肉とか…です。Let's see...I like fish...meat...and so on.

As seen from the example, also used to list several items. This is similar to や～など。

Source: Pera Pera Penguin Vol. 7