A certain children's game involves starting with a word in a particular category.   Each participant in turn says a word, but that word must begin with the final letter of the previous word.   Once a word has been given, it cannot be repeated.   If an opponent cannot give a word in the category, they fall out of the game.



For example, with   "animals"   as the category,

Child 1: dog 
Child 2: goldfish
Child 1: hippopotamus
Child 2: snake
...



Task

Take the following selection of 70 English Pokemon names   (extracted from   Wikipedia's list of Pokemon)   and generate the/a sequence with the highest possible number of Pokemon names where the subsequent name starts with the final letter of the preceding name.

No Pokemon name is to be repeated.

audino bagon baltoy banette bidoof braviary bronzor carracosta charmeleon
cresselia croagunk darmanitan deino emboar emolga exeggcute gabite
girafarig gulpin haxorus heatmor heatran ivysaur jellicent jumpluff kangaskhan
kricketune landorus ledyba loudred lumineon lunatone machamp magnezone mamoswine
nosepass petilil pidgeotto pikachu pinsir poliwrath poochyena porygon2
porygonz registeel relicanth remoraid rufflet sableye scolipede scrafty seaking
sealeo silcoon simisear snivy snorlax spoink starly tirtouga trapinch treecko
tyrogue vigoroth vulpix wailord wartortle whismur wingull yamask



Extra brownie points for dealing with the full list of   646   names.




all$ = "audino bagon baltoy banette bidoof braviary bronzor carracosta charmeleon " \
"cresselia croagunk darmanitan deino emboar emolga exeggcute gabite " \
"girafarig gulpin haxorus heatmor heatran ivysaur jellicent jumpluff kangaskhan " \
"kricketune landorus ledyba loudred lumineon lunatone machamp magnezone mamoswine " \
"nosepass petilil pidgeotto pikachu pinsir poliwrath poochyena porygon2 " \
"porygonz registeel relicanth remoraid rufflet sableye scolipede scrafty seaking " \
"sealeo silcoon simisear snivy snorlax spoink starly tirtouga trapinch treecko " \
"tyrogue vigoroth vulpix wailord wartortle whismur wingull yamask"
 
SUB check(list$, rest$)
 
    LOCAL x
 
    FOR x = 1 TO AMOUNT(rest$)
        IF RIGHT$(list$, 1) = LEFT$(TOKEN$(rest$, x), 1) THEN check(APPEND$(list$, 0, TOKEN$(rest$, x)), DEL$(rest$, x))
    NEXT
 
    IF AMOUNT(list$) > total THEN
        total = AMOUNT(list$)
        result$ = list$
    END IF
 
END SUB
 
FOR z = 1 TO AMOUNT(all$)
    CALL check(TOKEN$(all$, z), DEL$(all$,z))
NEXT
 
PRINT total, ": ", result$
 
PRINT NL$, "Speed: ", TIMER, " msecs."