Few variants of no-digits obfu:

#!perl -l
print map chr oct oct oct oct hex,debf,fbbcf,hex hex eaff,adfff;
print map chr oct oct oct oct oct hex,abadf,hex cd,hex ec,ffaef;
print map chr oct oct oct hex,hex hex oct hex bfd,dbbf,fbbbd,ea;
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Update: finally, more fun