s - s s-o- f - f f-s- f - g h-h h g-f- d-- [os] - [os] [os]-[uo]- [sf] - [sf] [sf]-[ps]- [af]-[af] [dg] [oh]-[sh]- [sg]-f p [ad]-- [sh] - [sj] [sh]-[sf]- [dh]-[dh] [dj] [fh]-[sf]- [ah] [ah] [fh] [gj] [fh]-[af]- [ps]-[ps] [ad] [sf]-[dg] [sf] [sd]-[ah]- s-f d [sf] [ad] [os] a o-f d s [ad] [sf] [dg] [ad] - [os] [os]