This cube can be used to learn Mandarin Chinese words built of two characters. Mǐ or 米 means 'rice' in Chinese. The scheme to connect the characters corresponds with the structure of the Mǐ character.
做成 zuòchéng (to make into, to convert into)
老成 lǎochéng (a steady or experienced person)
合成 héchéng (to combine, to compose)
完成 wánchéng (complete)
成 chéng (become, result)
成长 chéngzhǎng (grow, increase)
成就 chéngjiù (achievement)
成家 chéngjiā (founding a family)
成果 chéngguǒ (result)
广东 Guǎngdōng (Guangdong)
近东 Jìndōng (Middle East)
远东 Yuǎndōng (Far East)
房东 fángdōng (landlord)
东 dōng (east, orient)
东北 dōngběi (north-east)
东西 dōng-xī (from east to west, east and west)*
东京 Dōngjīng (Tokyo)
东方 Dōngfāng (orient)
东西 dōngxi (a thing, an object).
Note that these two words are not pronounced the same way. In the first case, the tone of 西 is in the 1st tone (xī) coded in red color on the cube, whereas in the latter case the tone of 西 is the 5th or neutral tone (xi).
当中 dāngzhōng (among)
高中 gāozhōng (2nd education [high school])
心中 xīnzhōng (at heart)
月中 yuèzhōng (mid-[month])
中 zhōng (center, middle)
中间 zhōngjiān (in the middle)
中等 zhōngděng (average quality)
中午 zhōngwǔ (noon)
中饭 zhōngfàn (lunch)
用法 yòngfǎ (usage)
公法 gōngfǎ (public law)
看法 kànfǎ (opinion)
办法 bànfǎ (method, with the help of)
法 fǎ (law, method)
法文 fǎwén (French [language])
法院 fǎyuàn (court)
法语 fǎyǔ (French [language])
法学 Fǎxué (the law)
出国 chūguó (to go abroad)
大国 dàguó (big country)
贵国 guìguó (your country)
本国 běnguó (this country)
国 guó (country)
国歌 guógē (national anthem)
国民 guómín (national citizen)
国外 guówài (foreign)
国画 guóhuà (Chinese painting)
天地 tiāndì (sky and earth)
田地 tiándì (field)
种地 zhòngdì (cultivating the land)
边地 biāndì (border region)
地 dì (soil, earth)
地区 dìqū (region, prefecture)
地主 dìzhǔ (landlord)
地位 dìwèi (position, rank)
地图 dìtú (map [geography])