<wob_jonas> slashlearn b_jonas can\'t spell//b_jonas can\'t spell these words: weird, hygiene, etymology, myopia, hibernate, carbohydrate, appearance, maintenance, appropriate, privilege, obsolete, heard, homogeneous, jealous; and confuses these sets of words: drought, draught/draft; couch, coach; depreciate, deprecate; dilate, dilute; contiguous, continuous; d

`hello prints variants of hello, world. To control format, pass a single letter as command-line argument. "@"=>"hello, world", "H"=>"hello, world.", P=>"hello, world!", "X"=>"hello, world,", take 1 letter later to s/h/H/, 2 letter later to s/d,/d/, 4 letter later to s/w/W/, lowercase to remove newline.