▁have ▁been ▁written ▁in ▁Chinese . ▁The ▁second ▁style ▁is ▁found ▁in ▁the ▁author ' s ▁self - reflect ive ▁analysis . ▁ ▁He ▁cons iders ▁the ▁author ' s ▁self - ref lections ▁the ▁best ▁that ▁have ▁surv ived ▁from ▁the ▁period , ▁not ing ▁that ▁Mur as aki ' s ▁master y ▁of ▁intros pective ▁style , ▁still ▁rare ▁in ▁Japanese , ▁reflect s ▁her ▁contributions ▁to ▁the ▁development ▁of ▁written ▁Japanese ▁in ▁that ▁she ▁conquer ed ▁the ▁limits ▁of ▁an ▁inf lex ible ▁language ▁and ▁writing ▁system . ▁The ▁ep istol ary ▁section ▁represents ▁the ▁third ▁style , ▁a ▁newly ▁developed ▁tr end . ▁Bow ring ▁sees ▁this ▁as ▁the ▁weak est ▁portion ▁of ▁the ▁work , ▁a ▁section ▁where ▁she ▁fails ▁to ▁break ▁free ▁of ▁the ▁rh yth ms ▁of ▁spoken ▁language . ▁He ▁explains ▁that ▁the ▁rh yth ms ▁of ▁spoken ▁language ▁assumes ▁the ▁presence ▁of ▁an ▁audience , ▁is ▁often ▁un gram mat ical , ▁re lies ▁on ▁" ey e ▁contact , ▁shared ▁experiences ▁and ▁particular ▁relationships ▁[ to ] ▁provide ▁a ▁background ▁which ▁allows ▁speech ▁to ▁be ▁at ▁times ▁fragment ary ▁and ▁even ▁all us ive ". ▁In ▁contrast , ▁written ▁language ▁must ▁compens ate ▁for ▁" the ▁gap ▁between ▁the ▁producer ▁and ▁receiver ▁of ▁the ▁message ". ▁She ▁may ▁have ▁been ▁experiment ing ▁with ▁the ▁new ▁style ▁of ▁writing , ▁either ▁producing ▁a ▁fict ional ▁letter ▁or ▁writing ▁a ▁real ▁letter , ▁but ▁he ▁writes ▁that ▁at ▁the ▁end ▁of ▁the ▁section ▁the ▁writing