[^y]---- [8o]--- [9p]---- 8- o--- [^i]---- [8o]--- [9p]---- [8o]--- [^s]---- [8i] i s s s-[9s] p p - o o - i 8-s-s- [^s]-p-p o o-i-[8i] i p-o-9---- 8--- [^s]---- 8- s-s- [9s]-p p p- o-o-[8i] - i p-[^p]- o