dddd ddpo dlvo dod- dodd dodo dold doll dolo dolp dolu dood dool doop dopo dopp doud doul doup dpll dudd dudo dudu dull dulo dulu duo- dupo duul dvlp dvvl lddp lddv lldp llll llod lloo llud lo-v lold loll lolo lood lool loop lopp lopu loud loul loup louu lovo lpod lppl ludd ludo lull lulu lupo lupu luup luvd lvov oddd odoo odop odou ollo olov oold oolo oooo opo- oppo ould oulu oupv ouu- ovo- ovod ovol ovoo ovpp plod ploo plop plou plov plpp plud plup pod- podd podo podu pold poll polo polu pood pool poop pop- popo popp poud poul poup povl povo pplo ppod pppd pppo pppp pudo pudu pull pulo pulp pulu pulv pupl pupu pvlv udoo udop udpd ullo ulo- ulul uovo updo uplo uppp uppu upup uulu uuuu uvvu vldl vodo vold voll volo volp vool voud voul vplp vudu vull vvvv