You mean, right next to each other, like in this sentence: "They had to remind her that that is not allowed."
Yes, you can. It definitely sounds awkward, and most professional writers will try to avoid it whenever possible. But I don't think it is considered to be grammatically or stylistically incorrect.
Same goes for other words, like "is": "It's not dangerous, and anyone who says it is is simply misinformed" or "They had had no food or water since the day before yesterday."
Several of your friends came over and we had an orgy.
more than a few dogs are killed a day
"Few people ever win the Nobel Peace Prize."
the comedian raised a few titters from his corny joke
The orchestra played the last few chords of the symphony fortissimo.
Our best bet for the front page tomorrow has a few problems.
Canasta is the name of a card game. An example of a sentence using it would be... After dinner we decided to play a few hands of canasta.
You can use distemper in a sentence in a few ways. One way is to use it in a sentence about a dog.
There are a few restrictions as to how you can use the word "Restrictions" in a sentence.
The word meningitis can be used in a few different ways in a sentence. You can use the sentence "The told me that I had meningitis".
The germ measured a few micrometers.
There were a few animals grazing in the veldt.
"Few people ever win the Nobel Peace Prize."
You can use the word Periscope a few ways in a sentence. You can write the sentence I am going to periscope the website.
Few things are as scarce as hen's teeth.
After my friend had a few drinks, he was a bit tipsy.
One way to use "infix" in a sentence could be: "In linguistics, an infix is an affix that is inserted into a word to create a new meaning or form."
The emperor will proclaim the results in a few minutes.
You can use the word prophecy in a few different ways. You can make the sentence "I was told that I am prophecy".