will letter letter
Regular verb: letter letter - letter lettered- letter lettered

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will letter letter
you will letter letter
he will letter letter
we will letter letter
you will letter letter
they will letter letter 	I will be letter lettering
you will be letter lettering
he will be letter lettering
we will be letter lettering
you will be letter lettering
they will be letter lettering	I will have letter lettered
you will have letter lettered
he will have letter lettered
we will have letter lettered
you will have letter lettered
they will have letter lettered	I will have been letter lettering
you will have been letter lettering
he will have been letter lettering
we will have been letter lettering
you will have been letter lettering
they will have been letter lettering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not letter letter
you will not letter letter
he will not letter letter
we will not letter letter
you will not letter letter
they will not letter letter 	I will not be letter lettering
you will not be letter lettering
he will not be letter lettering
we will not be letter lettering
you will not be letter lettering
they will not be letter lettering	I will not have letter lettered
you will not have letter lettered
he will not have letter lettered
we will not have letter lettered
you will not have letter lettered
they will not have letter lettered	I will not have been letter lettering
you will not have been letter lettering
he will not have been letter lettering
we will not have been letter lettering
you will not have been letter lettering
they will not have been letter lettering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I letter letter?
will you letter letter?
will he letter letter?
will we letter letter?
will you letter letter?
will they letter letter? 	will I be letter lettering?
will you be letter lettering?
will he be letter lettering?
will we be letter lettering?
will you be letter lettering?
will they be letter lettering? 	will I have letter lettered?
will you have letter lettered?
will he have letter lettered?
will we have letter lettered?
will you have letter lettered?
will they have letter lettered? 	will I have been letter lettering?
will you have been letter lettering?
will he have been letter lettering?
will we have been letter lettering?
will you have been letter lettering?
will they have been letter lettering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not letter letter?
will you not letter letter?
will he not letter letter?
will we not letter letter?
will you not letter letter?
will they not letter letter? 	will I not be letter lettering?
will you not be letter lettering?
will he not be letter lettering?
will we not be letter lettering?
will you not be letter lettering?
will they not be letter lettering? 	will I not have letter lettered?
will you not have letter lettered?
will he not have letter lettered?
will we not have letter lettered?
will you not have letter lettered?
will they not have letter lettered? 	will I not have been letter lettering?
will you not have been letter lettering?
will he not have been letter lettering?
will we not have been letter lettering?
will you not have been letter lettering?
will they not have been letter lettering?