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Science Lab Codeword

Every letter in this science lab grid has been swapped for a number. 3 letters are given to start you off — work out the rest and fill the grid.

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9
2E15
14413O
58Y16
12E162E181113O172E2E
313O11
152E162E111313O1210
76416
111712E18111092E
32E18
13O9182E319141713O12
18718
111514
17313O113O12122E101313O12
171213O
2E115

Letters so far

 1E2 3 4 5 6 7Y8 9 10 11 12O13 14 15 16 17 18 19

Answers

B
EM
AHO
KYL
TELESCOPEE
ROC
MELECTRONU
IXHL
CPTESTTUBE
RES
OBSERVATION
SIS
CMA
PROTONNEUTRON
PNO
ETM
T1E2R3H4K5X6I7Y8B9U10C11N12O13A14M15L16P17S18V19

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