Answer:
abcd
bcda
cdab
dabc
bacd
badc
abdc
dcab
acbd
dbac
dbca
and so on...
Step-by-step explanation:
merong 24 na permutations ang elements na abcd.
Dagdagan mo nlang ng 13 na permutations sagot ko para maging 24 sya ka permutations, since nag provide na ko ng 11, siguraduhin mo lang na hindi siya nag rerepeat. Goodluck