cow /down /ground /house /loud /mouth / doubt / towel / south /shower
now /out /wow /how/ flower/ cloud/ count/ sound /hour / outline / browse / outside
power /mouse /cowboy/ about / mountain / laugh / however / found / fountain / outdoor
allow /proud /Macao /allowance /bow / dowlas/ louse / lousy / lout / loungewear / gow
gowan / gown / coward /
我慢慢补充下