Voices of pupils reciting Kiswahili words grow louder and louder as we approach a lone makeshift building standing among dry, thorny bushes.
Young Maynum Makahil is spelling out the names one by one as the class recites after her. The teacher, Abdullahi Ahmed, who is today dressed in a pink shirt and grey trousers, follows closely and intervenes to assist when the words are mispronounced.