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Fallbeygingar
Eintala
eintala með greini
nefnifall
lukkubein
lukkubeinið
þolfall
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lukkubeinið
þágufall
lukkubeini
lukkubeininu
eignarfall
lukkubeins
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Fleirtala
fleirtala með greini
nefnifall
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lukkubeinin
þolfall
lukkubein
lukkubeinin
þágufall
lukkubeinum
lukkubeinunum
eignarfall
lukkubeina
lukkubeinanna