Create list with all possible combinations from another list in R

Question

Create list with all possible combinations from another list in R

Ive seen people ask this question but only found threads with answers for other software and not I R

Basically I just want to create a list with all unique combinations possible

Desired input

a, b, c 

desired output

a, ab, ac, b, bc, c, abc 

Answer 1

One possibility

> x=letters[1:3] 
> rapply(sapply(seq_along(x),function(y){combn(x,y,simplify=F)}),paste0,collapse="")
[1] "a"   "b"   "c"   "ab"  "ac"  "bc"  "abc"