hhhhh hi-hi himom hipo- hipop hipp- hippi hippo hiroi hirom hiroo ho-ho ho-oh hohim homo- hoori hoppo horii horim horio horom horro hrmph i-m-r iiiii imhip impir impro iommi ioooi ioooo iorio irimi irori m-rip mhorr mi-mi mihop mimio mimir mimmi mimo- mimpi mipim mipro mirim mirrh mirri mmhmm mmiii mmmmm mmpip mohor mohri momir momoi moooi moori mooro moppi morio mormo moroi morop moror morph morro mpiri mprim mrmom mrorr mrpii mrpim oh-oh ohmmm ohrio omoro ooioo oomph ooooh ooooo ophi- ophio ophir opihi opio- opir opoho orhim oromo oropi phhir phiph phiri phorm phrop piiri pippi pippo pipri pirho pirri pirro po-po pohio pomi- pomor poopo poori popoi popop poppi poppo poro- poroi porri porro primi primm primo primp prior promo proor prop- propp propr rimmi rimpi ripio ro-ro rohri rompo roohi rprop