A comprehensive articulation screener for all allophonic variations of R.
Prevocalic R Screener: /ri, rɪ, reɪ, rɛ, rɑɪ, ræ, rʌ, ru, rʊ, rɔ, rɑʊ, roʊ, rɔɪ, rɑ/
(Aligns with the 14 levels for treating prevocalic R recommended by The Entire World of R program.)
R Blends Screener: BR, CR, DR, FR, GR, PR, TR
Vocalic R Screener: AIR, AR, EAR, ER (stressed), ER (unstressed), IRE, OR, RL