bobo[8], dobo[7], kobo[7], obok[7], kobz[7], kodo[6], dozo[5], kozo[5],
bob[7], bod[6], bok[6], dok[5], kod[5], odo[4], oko[4], doz[4], zoo[3],
bo[4], do[3], od[3], ko[3], ok[3], oz[2],
