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Not really understand, with my code, I still can get the line:

Bg1ja Bg1ja 13ss

Do you ask for case insensitive ?

awk '{for (i=1;i<=NF;i++) {if (tolower($i) in a) {print;break} else...

awk '{for (i=1;i<=NF;i++) {if ($i in a) {print;break} else {a[$i]}};delete a}' infile

try this AWK file,you can use it by:
awk -f awkfile inputfile

{
2 for(i=1;i<=4;i++)a[$i]++
3 if(a[$1]+a[$2]+a[$3]+a[$4] > 4)
4 printf "%s <",$0;
5 for(i=1;i<=4;i++){
...