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,a2⁢q2b⁢c⁢d⁢e⁢f)=(a⁢q,a⁢q/(d⁢e),a⁢q/(d⁢f),a⁢q/(e⁢f);q)∞(a⁢q/d,a⁢q/e,a⁢q/f,a⁢q/(d⁢e⁢f);q)∞⁢ϕ34⁡(a⁢q/(b⁢c),d,e,fa⁢q/b,a⁢q/c,d⁢e⁢f/a;q,q)+(a⁢q,a⁢q/(b⁢c),d,e,f,a2⁢q2/(b⁢d⁢e⁢f),a2⁢q2/(c⁢d⁢e⁢f);q)∞(a⁢q/b,a⁢q/c,a⁢q/d,a⁢q/e,a⁢q/f,a2⁢q2/(b⁢c⁢d⁢e⁢f),d⁢e⁢f/(a⁢q);q)∞⁢ϕ34⁡(a⁢q/(d⁢e),a⁢q/(d⁢f),a⁢q/(e⁢f),a2⁢q2/(b⁢c⁢d⁢e⁢f)a2⁢q2/(b⁢d⁢e⁢f),a2⁢q2/(c⁢d⁢e⁢f),a⁢q2/(d⁢e⁢f);q,q).