$h{ int( rand 50 ) . ' '. rndStr( 1+int(rand(20) ), 'A'..'Z' ) } =
    'just a placeholder' for 1 ..50;;

print "$_ : $h{ $_ }" for sort{ 
    local $^W; 
    $a <=> $b 
} keys %h;;

0 YLJG : just a placeholder
1 ERHC : just a placeholder
2 UEGHWMGJVWDAUEOJR : just a placeholder
3 TPFZPXPS : just a placeholder
3 VDII : just a placeholder
4 SHHSRQLJVXTOPBYXT : just a placeholder
4 RXWZUUDA : just a placeholder
7 IPSCGIHLBWPR : just a placeholder
9 JRPAZKPXSC : just a placeholder
10 BGE : just a placeholder
11 OI : just a placeholder
11 HYXKTCLHDWCO : just a placeholder
14 QU : just a placeholder
16 ASJOWMLOWWMJWHDRAZ : just a placeholder
17 SQUJMOIM : just a placeholder
18 PFZDZODFMLBCVLTXQF : just a placeholder
18 AYYUCHEUXMNTTVLTJB : just a placeholder
19 KBDNXHCLUHEXSM : just a placeholder
20 EGWOTWSNEBXDISO : just a placeholder
20 QCCXXYEUFMRTYSYDGIBQ : just a placeholder
22 MBGBHAGRDEQXS : just a placeholder
24 IQWSMASGOOKQZC : just a placeholder
27 XRWPIZFKHGNEMTZGEGGB : just a placeholder
27 BHYAWIULV : just a placeholder
28 NNFUODXBGHKGAXKEZJIO : just a placeholder
29 SRQKDZIJVIDDWKQMUEZ : just a placeholder
30 OGFVEODJJGJRTRJ : just a placeholder
32 YMBMILY : just a placeholder
32 GCSQRJHHLJZEX : just a placeholder
33 HNNPVDVXMVPEQTISJ : just a placeholder
34 LCJKOFVJM : just a placeholder
34 HWMLT : just a placeholder
34 CVRFVEYISPLZJN : just a placeholder
36 HUJIAGMCRSSEACCBSES : just a placeholder
37 TLYYNSLVRAMZTXKDMAQC : just a placeholder
38 DAYGYGLMVZMXQTHIJBEV : just a placeholder
40 Q : just a placeholder
40 BNZBSPTUUTQBQMLAD : just a placeholder
41 FDFBWHPUQQRMVV : just a placeholder
42 JKTKYC : just a placeholder
42 LRLOBPONBCPKG : just a placeholder
45 DDBSCVQVKAUP : just a placeholder
45 RNHMIRVLMMYVYRMA : just a placeholder
45 HVETVTKMTUH : just a placeholder
46 EJEQMCIXCMGX : just a placeholder
46 UMIH : just a placeholder
46 GWZM : just a placeholder
46 POOWQOUASNALUX : just a placeholder
49 CZPDKKGAKQZK : just a placeholder
49 UJSMQRNEBQ : just a placeholder