Sources:
- https://cmloegcmluin.wordpress.com/2012/11/10/relative-frequencies-of-english-phonemes/
- http://www.speech.cs.cmu.edu/cgi-bin/cmudict
- http://www.kilgarriff.co.uk/bnc-readme.html

To do:
. use more than just first pronunciation in cmudict
. <er> is one phoneme etc
. phone or phoneme?
. manual error checking
. transcribe some of the uncorrelateds
. reread cmloegcmluin

Changelog:
- v0.1.0: First steps; Frequencies generally and post-/w/
  - Processing:
    - Use only the first pronunciation in cmudict
    - Discard uncorrelateds entirely
    - No manual error checking etc
  - Results:
    - Q1: Frequencies of phonemes generally
    - Q2: Frequencies of phonemes post-/w/