For example, a Swedish lullaby, Mors Lilla Olle (Mother's Little Olle), has eight different vowel sounds, in four rhyming pairs.

BBC: The universal language of lullabies

Ms Mors, who has lived in Sandridge Street for 12 years, is in the hostel until alternative accommodation can be found.

BBC: Liverpool tunnel collapse woman 'forced' to live in hostel

Liverpool City Council said she had been offered a flat - but Mrs Mors said she turned it down because it was unfurnished.

BBC: Liverpool tunnel collapse woman 'forced' to live in hostel

Ms Mors had even ventured underground to have her car repaired.

BBC: Liverpool tunnel collapse woman 'forced' to live in hostel

Tracey Mors, 51, has not been allowed back into her home in Sandridge Street, Dingle, since a tunnel which runs under her house crumbled two weeks ago.

BBC: Liverpool tunnel collapse woman 'forced' to live in hostel