TheDina iroha contains everyunggal [[kana]] preciselydipake oncepersis sakali, with the exceptioniwal ofti ん [-n], whichnu wasditambahkeun addeddina tosuku thekata syllabary latersaterusna. ForDumasar thiskana reasonalesan ieu, thesajak poemieu wasremen frequentlydipake usedkeur asnyusun ankana orderingnepi ofka the kana until thereformasi [[Meiji era|era Meiji]] reformsdina inabad theka-19. 19thTi century.era eta, Thereaftersistim thesusunan ''[[gojūon]]'' (五十音, literallyhartina "fiftylima soundspuluh sora") orderingngarupakeun systemsistim becamenu moreilahar commondipake. ThisSusunan orderieu issabagean partlydumasar based onkana [[Sanskrit|Basa Sansakerta]]. ItDimimitian begins withku "a, i, u, e, o" thensaterusna "ka, ki, ku..." andjeung sosaterusna onkeur forunggal eachdina kana used inBasa JapaneseJepang. Although theSanakan iroha is seen as morekatempona "oldgaya fashionedheubeul" than thetinimbang gojūon, the earliest knowngenerasi copyanyar ofapalna themake gojūon predateskeur thenyieun iroha.
TheIroha irohamasih isdipake stilldina occasionallykahirupan encounteredmasyarakat inJepang modern Japankiwari. For exampleContona, itdipake isdina usednomer fortempat seatdiuk numberingdi in theatersbioskop, andsarta (fromdi rightpangluhurna todiagram left) across the top ofkaulinan Go game diagrams ([[kifu]]) ti katuhu ka kenca, assaperti indina [[Yasunari Kawabata]]'s [[The Master of Go|Meijin]]. InDina musicmusik, the [[note|not]]sofdina anunggal [[octave|oktaf]] are nameddingaranan i ro ha ni ho he to, writtenditulis inmake [[katakana]].
