d-loop ddmmyy dholuo dhooly dlouhy dododo dodoly dollop dollup dololo dolool doloop dolphu dolphy domdom domuyo doodly doudou doulou duldul duloup dulpod dululu dumdum duplo- duplum hlllyh ho-hum hoddom hodoul hohloh hohoho holdup holhol holloo hollop hollum hollym holmul holody hoodoo hoohoo hoolly hoopoo hop-up hoplo- huddup hudood huh-uh hulloo huluhu humhum hummum hummyl hypho- lodomy lollop lollum lomlom looloo loomup lopho- loplop loudly loulou ludlum ludomy lymph- lymphy mm-hmm moddom moddum modolo modull modulo moholl moholm mohuhu moldo- mollom molloy molodo molopo moomoo moopoo mop-up mouddo mouldy moully muddly mudhol mudomo muhuhu mullum mulmul muumuu mydoom mymymy myohmy myomo- ohmymy ohohoh ohpooh olodum oohooh oomphy oooooo oupoyo oyodo phlppl phyll- phyllo phylo- phylum ploppy plummy plumpy podhom podhum podlom podmol poldhu polohy polpol polyol pomolo pompom poopoo pop-up popduo popopo popoyo popply poppop populo poulpy poupou pppppp puddly pullup pulmo- puloly pumpup udullu uh-huh um-hum umudlu uphold yo-pop yohoho yoohoo yoyoyo yuddho yummly yumyum yyldyd