bbbbbb bhutto blobby blolly bloomy blooth blotto blotty blotup blouth blubbo blublu bluppo bo-hoo bobbly bohoyo bolbol bolobo bololo boltby bombom booboo boohoo boom-o boothy bootup bopolu botbol bothul bothum bottlo bottom botulu boubou boulby boulot boulou boutmy boutob boytoy btooth bubbly bububu buholo bulbo- bulbul bullou bulolo bumboo bumout bumppo buoyup buttlo buttto buutuo buyout h-bomb hlllyh ho-hum hobbly hoblob hohhot hohloh hohoho holhol holloo hollop hollum hollym holmul holtby homoty hooboy hoohoo hoolly hoopoo hoopty hop-up hoplo- hopout hotbot hotpot hottot hottub houtou hubbly hubbub hublot hububb huh-uh huhhot hulloo huluhu humbly humbul humhot humhub humhum hummum hummyl humpty humult huthut hypho- l-bomb lobolo lollop lollum lolobo lomlom looloo loomup lopho- loplop lothly lotpot loulou loutou lphoto luboml luhoth lumbo- luttby lymph- lymphy mbombo mbomou mbutuy mltply mm-hmm mmmbop mobutu moholl moholm moholt mohout mohuhu mollom molloy molopo moobol moomoo moopoo mop-up moptop motlop motmot motomu moully moulty mouthy moytoy mpombo mt-lbu muhuhu mullum mulmul multul multum mumbly mutomo mutuum muumuu mylott mymymy myobu myohmy myomo- mytho- mytomb ohmymy ohohoh oholot ohotmu ohpooh ohtomu ohtoto oohooh oomoto oomphy oooooo optout ottomy oupoyo out-by outbuy outlot outoul output outtop phlppl phobo- phobot photo- phyll- phyllo phylo- phylum phyto- phytol phytyl ploppy plotly plotty ploty plouto plplot plumb- plumbo plumby plummy plumpy pluto- plyboo polohy polpol polpot polyol polyot pomolo pompom poopoo pop-up popbot popopo popout popoyo popply poppop poptop populo potboy potopy pottop pottum poulpy poupou pppppp pubol pullup pulmo- puloly pulotu pumpup pupput put-up putout putput puttoo pyotty t-phyl thoppu thouth thumby thumpy thymo- thymol thymyl thyolo to-put toboot tolbot tolmol toluol toluyl tomboy tommot tomopy tomoyo tompot tomtom tomyll toohot toolup toomly toothy tootoo top-up topout topply toppop topull tot-up tothby totopo toubul touhou toutou toutuo toyboy toyobo tubul- tumbly tumbul tumphy tumtum tumult tuotuo tuttul tuttut tyholt tymbou tyoply typhl- typho- typhoo u-bolt u-boot ubombo uh-huh um-hum umboth umbuth umbyll uolbut up-put utouth uutool yhouth yo-pop yohoho yoohoo youbou youthy youtoo yoyoyo yummly yumoto yumyum