Study the word list: -able OR -ible

Can you remember which ending is correct?

User created list

possible	Is it possible for some aeroplanes to fly upside down? *
valuable	The famous artist's paintings are very valuable. *
fashionable	Many people like to wear fashionable clothing and be seen to be up to date. *
visible	The vein was visible on his forehead.
vegetable	Our vegetable patch looks a wreck. *
terrible	After the argument, he was in a terrible mood.
edible	The picnic basket was full of edible treats. *
capable	Are you capable of cooking such a large meal?
suitable	Choose a suitable card for Meg's birthday.
available	I'll let you know when she's available to talk.
washable	The clothes were washable. *
horrible	The rainy weather was horrible. *
flexible	Rubber is a flexible material. *
adorable	Your new puppy is adorable.
reversible	The picnic blanket was reversible so they could use the waterproof or the soft fabric side. *
impossible	It's impossible to hear you.
responsible	Who's responsible for this mess?
portable	They were able to bring the portable chairs with them for the picnic,. *