$ OUT=$(smenu -n 18 t0022.in)

c b  bcac cabab  baac c aaa ab  a ab    bcaa   a  bb b b ba  c aa   cb 
24:0723 25:07 26:07 27:07 28:07 29:0723 63:23 69:23 
 aaaab aa ba b ab     aaab cbbcaca babb cabbcaaca b cba   babbbbbc aababc b a 
15:23 16:23 67:23 69:23 
bcabcccc ca  ba aca a  a ab    b aac bb c  c a a b  a a ba  acb cabaabcca  b 
23:23 26:23 33:23 37:23 54:23 56:23 60:23 62:23 
ca a b aa cbccca a a  cb a bb bbbac bbc c  cc c   bacb bcacabaa ac 
19:23 23:23 
b babaa  a  a  cbacac a   a  aac  c  a aaaca bb a caa cba  b   b  abcbb  c 
66:23 67:23 
babc c a c   b b  b ccca b ab ab ba cacc ba bcc cacbb  cbba ca 
27:23 28:23 30:23 31:23 
ca        c  aaa c  cca  a bb   b ac  c  b c ca b  babbc   cc a cbab 

baaa cc a baabbcac a b bbc  bc bcbcac bba bc   b  a b    cbb  cbbc b acba  a 
69:23 71:23 
a a  caabbbbb c ba bcb   ca cbccac  abb aba  cc bbb ba cbc cab b cbaab  
40:23 41:23 
c b cbb 

$ 

$ echo ":$OUT:"

:aaa ab:

$ exit 0