Divide these words into pairs of related words. Then pair up pairs that have a third common related word. Each word is used in one pair and each pair is used once with another pair. Example: SEUSS/ZHIVAGO + KIRK/MCCOY would give the answer SPOCK.
NOT STAR PATH BEAM STAFF WHOLE BARREL POUND RASP POWDER ICE LUMBER ZONE MANILA KIDNEY COMPUTER TRIGGER FLASH GUITAR SCOPE MACHINE DOWN METER NIGHT WASH SKIM STRING STRAW JUMPING POTATO CAYENNE QUAVER
Once you have found the eight answer words, extract the 4th, 5th, 9th, 19th, 26th, and 35th letters and rearrange those to form the final answer.