Colemak bigram assessment

frequency.zsh

function freq {
  for c in $@; do
    for c2 in $@; do
      grep "$c$c2" /usr/share/dict/words | wc -l | tr -d '\n' && echo " $c$c2"
    done
  done
}

# least frequent home row bigrams
freq a r s t d h n e i o | sort -d | uniq | head -n 10

# most frequent home row bigrams
freq a r s t d h n e i o | sort -dr | uniq | head -n 10