llll llnw lloo loll lolo lono lool loon loul loun louu louw lowl lown lowu loww lull lulu lunn luno luwo luwu lwoo lwow nlow nnnn noll nolo non- nonn nono nonu nonw noo- nool noon nooo noul noun nowl nown null nunn nuno nuon ollo olon onno onon oolo oooo oulu oun- ouu- owow owul ullo ulno ulo- ulow ulul unno unon uulu uuno uuuu wlll wlln wllw wlnl wlno wlol wlon wloo wlou wlun wluw wlwl wnlo wnnl wnnw wnoo wnow wnuw wnwn wnww woll wolw wonn wonu wonw wool woon woow woul wouw wowl wown wowo woww wull wulu wuno wunw wuuu wwll wwln wwlu wwlw wwnl wwnn wwno wwnw wwol wwon wwow wwwl wwwn wwww