the sixteen obstacles, {le lo bya ba mang ba}, {sems g.yeng}, {sems rgod}, {sems sdug pa}, {sems rjes 'brang}, {sems rmugs pa}, {rtog pa mang}, {re ba mang}, {dogs pa mang}, {'dod chags che}, {brtson 'grus chung}, {gnyid dga'}, {kha ton klog}, {kha ton 'bri}, {bre mo'i gtam}, {cal col smra}