Some six letter words with p as the second letter are opener, operas, sparse, and apiece.
spotspamspinspit_______________5 letter words:spellsportspeedspoonspacespill
asleepbishopburlapdollopencamphiccupicecapmakeupmarkupmishaprecouprevampscrimpshrimpturnipwallopunsnapburlapbarhopbishopcarhopentrapdollopgallophookuphanguplinkuplockupmakeupmarkupmishappileupreshiprevampscrimpshrimpteacupwallop
Pantiepetingpayingpennie
captaincupfulshippiesnephewspeppersriptiderupturezipping
Pallet, parlay, parlor, pellet, piglet, pillar, pillow, pollen, public and prelim are 6 letter words. They begin with p and the 4th letter is L.
Apache, apathy, appeal, append, apples and aprons are 6 letter words that begin with the letters AP.
spotspamspinspit_______________5 letter words:spellsportspeedspoonspacespill
#
Apple
appeal
asleepbishopburlapdollopencamphiccupicecapmakeupmarkupmishaprecouprevampscrimpshrimpturnipwallopunsnapburlapbarhopbishopcarhopentrapdollopgallophookuphanguplinkuplockupmakeupmarkupmishappileupreshiprevampscrimpshrimpteacupwallop
Pantiepetingpayingpennie
captaincupfulshippiesnephewspeppersriptiderupturezipping
apiece
spruce, opaque
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 6 words with the pattern P---P-I-. That is, eight letter words with 1st letter P and 5th letter P and 7th letter I. In alphabetical order, they are: panoptic phosphid phosphin polypoid postpaid presplit
Delphi