-ana aaaa aaaf aaan aaap aaas aafa aaff aana aanp aapa aaps aasa aasf aass afaa afan afap affa affs afpa afsa afsp ana- anaa anan anap anas anfa anna anns anp- anpa anpp ansa ansf ansp apan apap apas apfa apna appa apps apsa apss asaa asaf asan asap asas asfa aspa asps assa assn assp asss faaa faan faap faas fafa faff fana fans fapa fapp faps fasa fasn fass ffff ffps ffsa ffss fnsp fpaa fpas fsas fspf fssa fssf fssp naaa naan naas nafa naff nafs nan- nana nann nanp nans napa napf napp naps nas- nasa nasf nasp nass nfaa nfas nfff nfpa nfps nnnn nnsa nnss npap npas nppa npsa npss nsaa nsfs nsna nsps nssa nssf nssp nsss paan paap paas pafa paff pan- pana pann pans papa papp paps pasa pasp pass pfaa pfas pfff pfps pnas pnpp ppan ppap ppfa pppa pppn pppp ppps ppsf ppss psap psas psfs psna pspp psps pssa saaf saan saap saas safa saff sana sann sans sapa sapp saps sasa sasf sass sfas sfpa sfss snap snas snns snpp sp-a span spap spas spfs spns sppf spps spsa spsp spss ssaa ssan ssap ssas ssfp ssns sspa sspf ssps sssa sssf ssss