Hello everyone, nice to welcome you on our site, this page even has Level 1 answers. I enjoy it =D
Level 1 - ULIECND
The answer to this puzzle is:
Words: NUCLIDE, NUCLEI, LEUCIN, LUCID, CLUED, UNLED, LUDIC, CLINE, NUDIE, LINED, INDUE, DUNCE, LUNE, CEDI, NUDE, CUED, DUCI, LIEU, LUCE, UNDE, ICED, LIEN, CEIL, DELI, LICE, CINE, DEIL, DUCE, DINE, LIED, DIEL, DENI, LIE, CEL, CUD, DEL, DIN, DUN, ELD, NIL, LED, LEI, LIN, LID
Bonus words:
NUCLIDE, NUCLEI, LEUCIN, LUCID, CLUED, UNLED, LUDIC, CLINE, NUDIE, LINED, INDUE, DUNCE, LUNE, CEDI, NUDE, CUED, DUCI, LIEU, LUCE, UNDE, ICED, LIEN, CEIL, DELI, LICE, CINE, DEIL, DUCE, DINE, LIED, DIEL, DENI, LIE, CEL, CUD, DEL, DIN, DUN, ELD, NIL, LED, LEI, LIN, LID