-hou dddd ddpo dhod dhol dhul dod- dodd dodo dohl dold doll dolo dolp dolu dood dool doop dopo dopp doud doul doup dphp dpll dpph dudd dudo dudu duhl duhu dull dulo dulu duo- dupo duul hdod hhhh hlod hlul hodh hohl hoho hol- hold holh holl holo holp holu hood hool hoop hopo hopp houd houp hpdh hudd hudl hudo hudu huhu huld hull hulu hupp lddp lhhh lldp llll llod lloo llud lodh loho lohu lold loll lolo lood lool loop lopp lopu loud louh loul loup louu lpod lppl ludd ludo luhu lull lulu luoh lupo lupu luup oddd odoh odoo odop odou ohho ohoh oldh ollo olph ooho oold oolo oooh oooo opo- oppo oudh ould oulu ouph ouu- phlo phoh phoo phul plod ploh ploo plop plou plpp plud plup pod- podd podo podu pohl pold poll polo polu pood pooh pool poop pop- popo popp poud poul poup pplo ppod pppd pppo pppp pudo pudu puhl pull pulo pulp pulu pupl pupu udoh udoo udop udpd uh-d uhoh uhuh uhup ullo ulo- ulul updo uplo uppp uppu upup uulu uuuu