Her friends and neighbours (tas philas kai geitonas). Note single article and female friends (feminine article and philas). Heōs hou eurēi here as in Luk 15:4, only hou added after heōs (until which time) as often.
Which I lost (hēn apōlesa). First aorist active indicative of apollumi. She lost the coin (note article). The shepherd did not lose the one sheep.