From ChoralWiki
This subcategory of Voicing is for choral works with 10 parts, not counting any choral solos or minor divisi sections in which one or more parts might be divided in two.
If a work has substantial divisi sections, then it will (or at least should) be categorized in a way that takes into account the number of parts including the divisi parts. Thus, a choral work with soprano, alto, tenor, and bass parts whose soprano and bass parts are extensively divided, should not be voiced as SATB (a subcategory of 4 part choral music); instead, it should be voiced as SSATBB (a subcategory of 6 part choral music). The most typical example of this is "SATB divisi" choral music, in which all four parts are extensively subdivided into two parts: this should be voiced as SSAATTBB, which is a subcategory of 8 part choral music (not of 4 part choral music).
Ten equal voices
SSSSAATTBB
SSSSAATBBB
SSSAAATTTB
SSSAATTTTB
SSSAATTTBB
SSSAATTBBB
SSAAAATTBB
SSAAATTTBB
SSAAATTBBB
SSAATTTTBB
SSAATTTBBB
SSAATTBBBB
SSATTTTTBB
SSATTTTBBB
SSTTTTTTBB
SSTTTTBBBB
SAATTTBBBB
AATTBBBBBB
SSAT.SATTTB
SATT.SSATTB
TTBB.SSTTBB
SSSAT.ATBBB
SSAAT.ATTBB
SSAAT.TBBBB
SSAAB.ATTBB
SSATT.TTBBB
SSATB.SSATB
SSATB.SATTB
SSATB.SATBB
SSATB.ATTTB
SSATB.ATBBB
SAATB.SAATB
SATTB.SATTB
SATTB.STTTB
SATTB.ATBBB
SATBB.SATBB
STTTB.STTTB
ATBBB.ATBBB
SSAATT.SATB
SSS.SAB.ATBB
Subcategories
This category has the following 41 subcategories, out of 41 total.