ref: dd7352fd35491a753a47aca3acd9f3a2fd8c2d96
dir: /sys/src/cmd/dict/t.awk/
NF == 2 {
if($2 !~ / or / || $2 ~ /\(or/)
print $0
else {
n = split($2, a, / or /)
for(i = 1; i <= n; i++) {
printf "%s\t%s\n", $1, a[i]
}
}
}
NF != 2 {
print $0
}