To sign the word “till,” make a fist with your dominant hand and place it in front of your body, palm facing down. Then, use your other hand to make a flat hand shape and place it on top of…

To sign the word “debian,” use your dominant hand to make a “D” shape and bring it down from your forehead towards your chin.

To sign “Douglas,” use your dominant hand to make a “D” shape and place it on your non-dominant shoulder, then move your hand down and slightly to the side.

To sign the word “capable,” make a fist with your dominant hand and extend your index finger upwards. Then, touch your forehead with your index finger and make a small circular motion.

To sign the word “familiar,” use the American Sign Language (ASL) sign for “know” by tapping the side of your head with your index finger.

To sign the word “exp,” use your dominant hand to make a horizontal line with your thumb and index finger, then tap it twice on the back of your non-dominant hand.

The sign for the word “su” is made by forming an “S” with your dominant hand and touching your forehead with the tips of your fingers.

To sign the word “horror,” make a claw shape with your dominant hand and then swipe it down from your forehead to your chin while keeping your fingers tense and slightly curved.

To sign the word “proteins”, make a fist with your dominant hand and extend your pointer finger. Touch the tip of your finger to your chin, then move it down and out in a circular motion.

To sign the word “ken,” make a fist with your dominant hand and extend your index finger. Touch your fist to your forehead, then lower your hand to your side. This is the American Sign Language (ASL) sign for “ken.”