#! /opt/gnu/bin/gawk -f

# go over each hyphen-separated syllable and extract n-l syllables
# plus preceding and following syllables too. 
BEGIN {FS="-"}
{
 for(i=1;i<NF;i++){
    if($i~/.*n$/ && $(i+1)~/^l.*/){
      printf("%s%s%s%s\n",$(i-1),$i,$(i+1),$(i+2));
      }
    else 
      continue
 } 
}