My first, random japh. Actually it's pretty straight forward...

sub _{ srand shift;push@a,map{chr 97+rand 21}0..shift||5};
_ 4971054;_ 2123966;_ 2922908,4;_ 306345,3;$_=join "",@a; 
s#(?=[ap][en]|ha)# #g;print
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Somehow I couldn't resist the seduction of the random numbers ;-)