In the other cases, viz. where 'thou' or 'I' are not the attendant words in agreement with the verb, there is the verbal termination called the Lowest (3rd person).,
As पचति he cooks, पचतः they two cook. पचन्ति they cook.,
शेषे प्रथमः
Adhyāya 1 · Pāda 4 · Rule 108