Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Inf. Stem | Sing. Pres. | Plur. Pres. | Sing. Pret. | Plur. Pret. | Subj. Pres. | Subj. Pret. | Past Part. |
| --- | --- | --- | --- | --- | --- | --- | --- |
| î | î | î | ei | i | î | i | i |
| î + h,w | î | î | ê | i | î | i | i |
| ie | iu | ie | ou | u | ie | ü | o |
| û | û | û | ou | u | û | ü | o |
| iuw | iuw | iuw | ou | ûw | iuw | iu | ûw |
| ie + d,t,s,z,h | iu | ie | ô | u | ie | ü | o |
| i + m/n + Cons. | i | i | a | u | i | ü | u |
| e + l/r + Cons. | i | e | a | u | e | ü | o |
| e + m,n,l,r,ch | i | e | a | â | e | æ | o |
| o + m | o/u | o | a | â | o/u | æ | o |
| e | i | e | a | â | e | æ | e |
| i | i | i | a | â | i | æ | e |
| a | a/e | a | uo | uo | a | üe | a |
| e | e | e | uo | uo | e | üe | a/o |
| a | a/(e) | a | ie | ie | a | ie | a |
| â | â/(æ) | â | ie | ie | â | ie | â |
| ei | ei | ei | ie | ie | ei | ie | ei |
| ô | ô | ô | ie | ie | ô | ie | ô |
| ou | ou | ou | ie | ie | ou | ie | ou |
| uo | uo | uo | ie | ie | uo | ie | uo |
Question:
What is the infinitive stem that has a subjunctive present of ou?
Answer:
ou