ϕ78⁡(a,q⁢a12,-q⁢a12,b,c,d,e,fa12,-a12,a⁢q/b,a⁢q/c,a⁢q/d,a⁢q/e,a⁢q/f;q,q)-ba⁢(a⁢q,c,d,e,f,b⁢q/a,b⁢q/c,b⁢q/d,b⁢q/e,b⁢q/f;q)∞(a⁢q/b,a⁢q/c,a⁢q/d,a⁢q/e,a⁢q/f,b⁢c/a,b⁢d/a,b⁢e/a,b⁢f/a,b2⁢q/a;q)∞⁢ϕ78⁡(b2/a,q⁢b⁢a-12,-q⁢b⁢a-12,b,b⁢c/a,b⁢d/a,b⁢e/a,b⁢f/ab⁢a-12,-b⁢a-12,b⁢q/a,b⁢q/c,b⁢q/d,b⁢q/e,b⁢q/f;q,q)=(a⁢q,b/a,a⁢q/(c⁢d),a⁢q/(c⁢e),a⁢q/(c⁢f),a⁢q/(d⁢e),a⁢q/(d⁢f),a⁢q/(e⁢f);q)∞(a⁢q/c,a⁢q/d,a⁢q/e,a⁢q/f,b⁢c/a,b⁢d/a,b⁢e/a,b⁢f/a;q)∞,