This is work in progress by Rob Speer - I'm leaving notes to myself for what to fill in.

Proposed Definitions

ko'a, ko'e, ko'i, ko'o, ko'u, fo'a, fo'e, fo'i, fo'o, fo'u

Assignable pro-sumti. The referent of each word can be assigned using goi.

i le nanmu goi ko'a cu klama le zarci i ko'a viska re nanmu goi ko'e joi ko'i .i ko'e joi ko'i ca casnu le jdima be le cipni
A man went to the market. He saw two men there. They were discussing the price of the birds.

vo'a

The x1 of this bridi.

vo'e

The x2 of this bridi.

vo'i

The x3 of this bridi.

vo'o

The x4 of this bridi.

vo'u

The x5 of this bridi.

i la risna noltruni'u cu zutse le vo'a nolstizu
The Queen of Hearts sat on her throne.

ri

Repeats the previous sumti.

i ji'a la lutcezis zo'u ri na kakne le nu ficyju'o la ceris la amonti,ados
And as for Luchesi, he cannot distinguish Sherry from Amontillado.

ra

Repeats a recent, but usually not the previous, sumti.

.i ca lenu la gregor.samsas. co'a cikna gi'e co'u raktu senva vau
ca lo cerni kei ra facki lenu ra vi le ckana ba'o binxo lo brabra cinki
''As Gregor Samsa awoke one morning from uneasy dreams he found himself
in his bed transformed into a gigantic insect.''

ru

Repeats an earlier sumti, to be determined from context.

ti

This here - an object near the speaker.

ta

That there - an object near the listener.

tu

That yonder - an object far from the speaker and the listener.

Proposed keywords

ko'a it-1
ko'e it-2
ko'i it-3
ko'o it-4
ko'u it-5
fo'a it-6
fo'e it-7
fo'i it-8
fo'o it-9
fo'u it-10
vo'a x1 it
vo'e x2 it
vo'i x3 it
vo'o x4 it
vo'u x5 it
ri last sumti
ra recent sumti
ru earlier sumti
ti this here
ta that there
tu that yonder

Usage clarifications

The vo'a-series cmavo refer to the sumti of the outermost bridi of the sentence. (This was left unspecified in CLL, and decided by a significant majority of usage.)