Good as usual, but there may be some errors

I am hearing this with my headset,

'buy out' -sounds like buy 'ouch' to me
scrumptious - 'tious' sounds like 'ch' not 'sh'
happy - end with /i/ not /i:/; /i:/ is not the longer version of /i/

Maybe something wrong with my hearing.
Hope you don't mind.