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|Trans-New Guinea
|Rosetta stone
|<nowiki>Bengalibn | Bulgarianbg | Chinese (Simplified)zh | Chinese (Traditional)zt | Czechcs | Danishdk | Dutchnl | </nowiki>[[Problems:IOL/2019/1/en|Englishen (A)]]<nowiki> | Englishen (B) | Estonianee | Finnishfi | Frenchfr | Germande | Hungarianhu | Japaneseja | Koreanko | Latvianlv | Polishpo | Portuguesept (B) | Romanianro | Russianru | Sloveniansl | Spanishes | Swedishse | Turkishtr | Ukrainianuk</nowiki>
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|Algic
|Rosetta stone
|<nowiki>Bengalibn | Bulgarianbg | Chinese (Simplified)zh | Chinese (Traditional)zt | Czechcs | Danishdk | Dutchnl | English</nowiki>[[Problems:IOL/2019/1/en|en (A)]]<nowiki> | Englishen (B) | Estonianee | Finnishfi | Frenchfr | Germande | Hungarianhu | Japaneseja | Koreanko | Latvianlv | Polishpo | Portuguesept (B) | Romanianro | Russianru | Sloveniansl | Spanishes | Swedishse | Turkishtr | Ukrainianuk</nowiki>
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|Indo-European
|Rosetta stone
|<nowiki>Bengalibn | Bulgarianbg | Chinese (Simplified)zh | Chinese (Traditional)zt | Czechcs | Danishdk | Dutchnl | English</nowiki>[[Problems:IOL/2019/1/en|en (A)]]<nowiki> | Englishen (B) | Estonianee | Finnishfi | Frenchfr | Germande | Hungarianhu | Japaneseja | Koreanko | Latvianlv | Polishpo | Portuguesept (B) | Romanianro | Russianru | Sloveniansl | Spanishes | Swedishse | Turkishtr | Ukrainianuk</nowiki>
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|Austronesian
|Rosetta stone
|<nowiki>Bengalibn | Bulgarianbg | Chinese (Simplified)zh | Chinese (Traditional)zt | Czechcs | Danishdk | Dutchnl | English</nowiki>[[Problems:IOL/2019/1/en|en (A)]]<nowiki> | Englishen (B) | Estonianee | Finnishfi | Frenchfr | Germande | Hungarianhu | Japaneseja | Koreanko | Latvianlv | Polishpo | Portuguesept (B) | Romanianro | Russianru | Sloveniansl | Spanishes | Swedishse | Turkishtr | Ukrainianuk</nowiki>
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|Atlantic-Congo
|Rosetta stone
|<nowiki>Bengalibn | Bulgarianbg | Chinese (Simplified)zh | Chinese (Traditional)zt | Czechcs | Danishdk | Dutchnl | English</nowiki>[[Problems:IOL/2019/1/en|en (A)]]<nowiki> | Englishen (B) | Estonianee | Finnishfi | Frenchfr | Germande | Hungarianhu | Japaneseja | Koreanko | Latvianlv | Polishpo | Portuguesept (B) | Romanianro | Russianru | Sloveniansl | Spanishes | Swedishse | Turkishtr | Ukrainianuk</nowiki>
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