ruro[6], rowu[6], woru[6], ouzo[6], wozu[6], worz[4],
oru[5], rur[5], ozu[5], uzo[5], zwu[5], oro[3], owo[3], rwo[3], wrr[3], zoo[3], orz[3],
wu[4], or[2], ro[2], oz[2],
