"Be'n" is a frequent misspelling of the contraction "been". To correct this error, one can simply write "been" instead. It is important to be mindful of correct grammar and spelling in order to effectively communicate in writing.
wen She had a wen on her neck that she wanted to have surgically removed.
yen The new Japanese banknote features a series of distinctively Japanese images and a number of anti-counterfeit measures to deter forgers from producing fake yen.
zen After a week of stressful work, I decided to take a day off and spend some time practicing zen meditation.