<prompt> Fumana tlhaku ea bobeli e tloaelehileng polelong e fanoeng. Hlahisa lengolo ka kotloloho.Li-algorithms tse sebetsang hantle lia hlokahala bakeng sa tsebetso ea data.  <response>: Instruction in English: Find out the second most common letter in the given sentence. Output the letter directly. . Response in English: The second most common letter in the given sentence Efficient algorithms are necessary for data processing. is e . Response in Sesotho: Lengolo la bobeli le tloaelehileng polelong e fanoeng Li-algorithms tse sebetsang hantle li hlokahala bakeng sa tsebetso ea data. ke e 