Really amazing solution to cut 2 steps, you are a great puzzle maker

yokosooo

Same as alazeh.
Thinking about pipelining too much wasted me moves in these series.

qqwref

A loooot of 2 offs, here. Hard to find. :)

EDIT: I got all other letters, this is the last one for me, the hardest one. I have at least 5 different variations of 2 offs, if not more. Will keep trying.

Great series! 

EDIT2 (10 minutes later): This was REALLY tricky! Amazing! And I found one more two off, before solving, LOL.

alazeh

Patashu

Reach

Still stuck 2 off, here. Will keep trying. :)

EDIT (11 minutes later): Finally found the last two steps. GREAT!