Problem: Add spaces: May28:UsersTest1andTest2havingblankpasswordscannowbeusedbyanybodywhowantstotestthesitebeforejoining.

Spaces added: May 28: Users Test1 and Test2 having blank passwords can now be used by anybody who wants to test the site before joining.
This text is missing some spaces, please add them: Pleasantwordsare[as]ahoneycomb,sweettothesoul,andhealthforthebones.
Pleasant words are [as] a honeycomb, sweet to the soul, and health for the bones.
input question: Fix spacing: Youcanalsostorerelatedinformationaboutyourcontacts,includingnotesandimportantdates(e.g.,birthdays,anniversaries,etc.).

output answer: You can also store related information about your contacts, including notes and important dates (e.g., birthdays, anniversaries, etc.).
Problem: Productionnowstandsataround400tonnesofaluminiumperyear,andisstillgrowing.
What's a sentence that uses these characters?
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Production now stands at around 400 tonnes of aluminium per year, and is still growing.
Add spaces: BarbourLadiesDuralinenGraceJacketisaveryversatilealloccasionjacketwiththeBarboursignatureDuralinen.

Answer: Barbour Ladies Duralinen Grace Jacket is a very versatile all occasion jacket with the Barbour signature Duralinen.
This text is missing some spaces, please add them: Inthispictureitwasnotsomuchthenarrativeoftheactualdancingortheindividualdancersthathewasinterestedin.Rather,hisnarrativewastobefoundintheexplosivesensationofcolourandthedifferentstructureshediscoveredinthesurfaces.
In this picture it was not so much the narrative of the actual dancing or the individual dancers that he was interested in. Rather, his narrative was to be found in the explosive sensation of colour and the different structures he discovered in the surfaces.