The names in this one were translated by Google Translate too so just look at this if it gets too confusing:
Union = Allies
I = Italy
Bay = Italy or America
Medium/The medium = China
Day = Japan or Germany
Buddha = France (Apparently, Google Translate thinks that France is Buddha...)

Axis: WA! WA! Wheel! !
I: (Soresore sole (that)!)
Union: WA! WA! Wheel! !
Russia: (Soreso ream!)
Medium: (! 哎呀 (Aiya) 哎 呀!)
I: (Sole sole!)

Italy: both teamed up buon giorno (Bon Giorno)
Day: ~ Hello from Japan (Japan)
Germany: pace aligned Guten Tag (Guten-Turk)
Italy: Come Is everyone said Thalia
Italy: (sole!)

Everyone: WA! WA! Wheel !! World WA! WA! Wheel! ! World
Italy: it becomes rounded wheel
Germany: it becomes flower
Everyone: Let's dance the World Ondo

Italy: (! O sole (Osore)!)
Buddha: irony love United Kingdom Me
UK: their love Ya~tsu Parisian!
US: Coke quarrel early NASA physician
Russia: vodka § Oh! together
The medium: open China (China) (Shanghai!)

Everyone: WA! WA! Wheel! ! World WA! WA! Wheel! ! World
Bay: become a round wheel
Day: it becomes flower
Everyone: Let's dance world Ondo
Bay: (de Ruffu!)

Italy: sole!
US: one, two!
Day: one, two!
Medium: E, Al
Russia: the Soviet Union!
UK: one, two!
Germany: eins, zwei! (Ein zwei!)
France: un, deux! (Anne de) × 2
Italy: (O sole mio (Osoremio) Naporitana spaghetti)

Germany: (! Ikuzo) germane soul eins zwei drei (Ain Tsu~ain ·-line)!
Day: it! Man in Yaguradaiko spirit
Italy: white flag Futcha Catenaccio (CATENACCIO)
Germany Date: courage and squeezed!
Italy: Tata Calcio (Calcio)
Day: good Yoyoi of Yoyoi of Yo good it!

Axis: WA! WA! Wheel! ! World WA! WA! Wheel! ! World
UK: it becomes rounded wheel
Buddha: it becomes flower
Everyone: Let's dance the World Ondo

Bay: (! Iesa Yes sir (Iessa)!)
Bay: I hero Yes we can (Jesus Wee scan)! ! However
UK: occult ghost
Russia: late Russia
Buddha: such leader loose Seine
UK: scones and one shot
Medium: Ya~tsu Chine
UK: (! Oh Yacht (yacht)!)

Axis: WA! WA! Wheel! ! World WA! WA! Wheel! ! World
The medium: it becomes a round rather than wheel
Russia: it becomes flowers
Everyone: Let's dance the World Ondo

Axis: WA! WA! Wheel! !
I: (Soresore sole!)
Union: WA! WA! Wheel! !
Russia: (Soreso ream)
Medium: (! 哎呀 (Aiya) 哎 呀!)
Everyone: wheel -

I can't stop laughing at the fact that they're singing about a wheel. XD

These weird lines though:
"Guten-Turk" <- Would that mean Good Turk or something?
"Coke quarrel early NASA physician" <- What the heck does that even mean?!
"Jesus Wee scan" <- That just killed me! XD

If you have any requests, just leave them in the comments! Tell me what your favourite line is too!