As long as you have the trading account, you can trade any pair in the market that you like. If I were you, I will not trade in any of the pair that I want to trade rather than trade in the pair that is good and stable.
There are a lot of the trade pair that you can trade, such as:
And many more in the market.
My Favorite pair of Forex currency pair
In term of stable and secure, my favarite pair of the currency pair are:
Why? The reason are as below:
1) Stable and not as valatile as other currencies pair
2) More Secure to trade as those are the major pair of the currency pair in the market
The rest like GPB/USD will be very volatile and I would not recomemded if you are newbies.