14 - 15. What technique did Elias Hutter introduce to help those wanting to learn Hebrew?
وَلِكَيْ يُسَاعِدَ هُوتِّه تَلَامِيذَهُ أَنْ يُمَيِّزُوا ٱلْجَذْرَ ،‏ طَبَعَهُ بِحُرُوفٍ ثَخِينَةٍ غَامِقَةٍ .‏