This section is from the book "The Manual of Phonography", by Benn Pitman And Jerome B. Howard. Also available from Amazon: The Manual of Phonography.
See paragraph 148.
Par. 148 a. - Unscrew, unsoberly, unstring, unstrung, inscribe, insuperable, insuperableness, insuperably, insuppressible, unsuppressed, instruction, unscriptural, unscripturally, unscrupulous, unscrupulously, unscrupulousness, inscriber.
Par. 148 b. - Insolence, unseemly, unseemliness, unsoldierly, un-soldierlike, unsolicitous, unceremonious, insurrection, insurrectionary.
Use the writing exercise.
 
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