bums[8], bugs[7], bund[6], mund[6], muds[6], dung[5], gnus[5], sund[4],
bum[7], bug[6], mud[5], bus[5], mus[5], ums[5], gnu[4], dun[3], und[3], sud[3], uds[3], uns[3],
um[4], du[2], ud[2], nu[2],