function iPrecededByCSuffix (token) {
    if (token.hasSuffix('ci')) {
      token.replaceSuffixInRegion('i', '', 'rv')
    }

    return token
  }
Step 3: Delete suffix i.

Perform this step if the word was changed, in RV and preceded by c.

@param  {Token} token   Token to stem.
@return {Token}         Stemmed token.