Solutions :

3-letter words (1 point): 69

ABO; AIN; AIT; ANA; ANE; ANI; ATE; AVA; AVO; BAN; BOA; BON; BOP; BOT; BOX; EAN; EAT; EFS; ENS; EON; ETA; EXO; FAB; FAN; FEN; FES; INS; ITA; JAB; NAB; NAE; NAT; NEF; NIE; NIT; NOB; NOT; NOX; OAT; OBA; ONE; ONS; OPE; OVA; PEA; PET; POA; POT; POX; SEA; SEI; SEN; TAE; TAI; TAN; TAO; TAV; TEA; TEX; TIE; TIN; TOE; TON; TOP; VAE; VAN; VAT; VOE; VOX.

4-letter words (1 point): 75

AEON; AINE; AINS; ANES; ANOA; ATOP; BANE; BANI; BANS; BOAT; BOEP; BOET; BONA; BONE; BOTA; EANS; EINA; EOAN; EONS; EXON; EXPO; FANE; FANO; FANS; FAVA; FEAT; FENI; FENS; IOTA; JANE; JAVA; NAOI; NEAT; NEFS; NIEF; NIES; NITE; NOPE; NOTA; NOTE; NOVA; ONES; ONIE; PEAN; PEAT; PEON; POET; PONE; PONS; POTE; SEAN; SEAT; SENA; SNAB; SNIT; SNOB; SNOT; TAES; TAIN; TANA; TANE; TANS; TAVA; TIES; TINE; TINS; TOEA; TONE; TONS; TOPE; VAES; VAIN; VANE; VANS; VOTE.

5-letter words (2 points): 26

AEONS; ATONE; BANES; BANIA; BONES; BONIE; ENATE; EXONS; FANES; JABOT; JANES; NIEFS; NOVAE; OVATE; PEANS; PEONS; PONES; POTAE; POTIN; SNOEP; TAINS; TINEA; TINES; TONES; VANES; XOANA.

6-letter words (3 points): 12

ATONES; BOATIE; BONITA; BONITO; BOVATE; PEONES; PONIES; POTAES; POTINS; SEITAN; SENATE; TONIES.

7-letter words (7 points): 4

ATONIES; BOATIES; BONIATO; PEONIES.

8-letter word (11 points): 1

BOTANIES.