All images licenced under CC BY 3.0. Grabbed from game-icons.net
str.png: https://game-icons.net/1x1/delapouite/weight-lifting-up.html
dex.png: https://game-icons.net/1x1/darkzaitzev/acrobatic.html
cons.png: https://game-icons.net/1x1/zeromancer/heart-plus.html
int.png: https://game-icons.net/1x1/lorc/bookmarklet.html
wis.png: https://game-icons.net/1x1/delapouite/wisdom.html
cha.png: https://game-icons.net/1x1/lorc/icicles-aura.html
fort.png: https://game-icons.net/1x1/delapouite/rock-golem.html
ref.png: https://game-icons.net/1x1/lorc/dodging.html
will.png: https://game-icons.net/1x1/lorc/meditation.html