i-m-r iiiii immix impir impro iommi ioooi ioooo iorio irimi irori ixopo m-rip mi-mi mimio mimir mimmi mimo- mimpi mipim mipro mirim mirri mixo- mixpo mixxx mmiii mmmmm mmpip mmxii momir momix momoi moooi moori mooro moppi morio mormo moroi morop moror morro morxi mpiri mprim mrmom mrorr mrpii mrpim mxiii omoro ooioo ooooo opio- opir oroix oromo oropi oxxio p-o-x piiri pippi pippo pipri pirix pirri pirro po-po pomi- pomor poopo poori popoi popop poppi poppo poro- poroi porri porro pppox ppxii primi primm primo primp prior proix promo proor prop- propp propr proxi rimmi rimpi ripio rixoi ro-ro rompo roxio rprop xorro xoxox xxiii xxxii xxxix