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:
| Environment | Realization | Example | Pronunciation | Gloss |
| --- | --- | --- | --- | --- |
| #C(ː)# | əC(ː) | /ɡ/ | [əɡ] | 'to be, to do' |
| #LC# | əLC or LəC | /ns/ | [əns] ~ [nəs] | 'to spend the night' |
| #CC# | CəC | /tˤsˤ/ | [tˤəsˤ] | 'to laugh' |
| #CːC# | əCːəC | /fːr/ | [əfːər] | 'to hide' |
| #CCC# | CCəC / C1C2 are not {L H} | /χdm/ | [χdəm] | 'to work' |
| #CCC# | CCəC / C1C2 are not {L H} | /zʕf/ | [zʕəf] | 'to get mad' |
| #CCC# | əCCəC or #CəCəC# / {C1 C3} is {L H} | /hdm/ | [əhdəm] ~ [hədəm] | 'to demolish' |
| #CCC# | CəCəC / C2C3 = {L H} | /dˤmn/ | [dˤəmən] | 'to guarantee' |
Question:
Name the realization for 'to be, to do'
Answer:
əC(ː)