I have a tree. I always started with 3 words POINT LASED CRUMB This eliminates not only the most frequent letters but least frequent letters (Bloom filter),

I have a tree. I always started with 3 words POINT LASED CRUMB This eliminates not only the most frequent letters but least frequent letters (Bloom filter), leaving rest of infrequent letter set to guess by narrow deduction. Never failed me.