-hou dddd dhod dhol dhul dod- dodd dodo dohl dohm dold doll dolo dolu domm domo dood dool doom doud doul doum dudd dudo dudu duhl duhu dull dulo dulu dumh dumm duo- duul hdml hdod hhhh hlod hlul hmmm hodh hohl hohm hoho hol- hold holh holl holm holo holu hom- homo homu hood hool hoom houd hudd hudl hudo hudu huhu huld hull hulu humh humm humo lddm lhhh llll llod lloo llud lodh loho lohu lold loll lolo lomm lomo lomu lood lool loom loud louh loul loum louu ludd ludo luhu lull lulu lumo luoh mddl mddm mdud mhmm mmdl mmhl mmhm mmmd mmmh mmmm mmod modd modh modo modu mohl mohm moho mohu mold moll molo momo momu mood mool moud moul mudd mudl mudu muhu muld mull mulm mulo mulu mumm mumo mumu oddd odoh odom odoo odou odum ohho ohoh ohum oldh olhm ollo olmo olom omo- omoo omul omuo ooho oold oolo oooh oooo oudh ould oulu ouu- udoh udoo uh-d uhoh uhuh ullo ulmo ulmu ulo- ulul ulum ummo umol uoml uomo uulu uuuu