-ana aaaa aaaf aaan aaap aaas aafa aaff aana aanp aaon aaoo aapa aapo aaps aasa aasf aass afaa afan afao afap affa affo affs afoa afoo afpa afsa afsp ana- anaa anan anao anap anas anfa anfo anna anno anns ano- anoa anon anos anp- anpa anpp ansa ansf anso ansp aono aopo aosp aoss apan apao apap apas apfa apfo apna apno apo- apof apon apoo apop apos appa apps apsa apso apss asaa asaf asan asao asap asas asfa asno asof ason asop asos aspa aspo asps assa assn asso assp asss faaa faan faap faas fafa faff fafo fana fano fans faon fapa fapp faps fasa fasn faso fass ffff ffps ffsa ffss fnsp foaf foan fofo fono fons foof foon foos fopp fops fosa foso foss fpaa fpas fsas fsfo fspf fssa fssf fssp naaa naan naas nafa naff nafo nafs nan- nana nann nano nanp nans naos napa napf napo napp naps nas- nasa nasf naso nasp nass nfaa nfas nfff nfon nfpa nfps nnnn nnos nnsa nnss noaa noap non- nona nonn nono nons noo- noon nooo noop noos nops nos- nosa noss npap npas nppa npsa npss nsaa nsfs nsna nsof nsos nsps nssa nssf nsso nssp nsss oafo oafs oaps oass ofan ofas off- offa offo offs ofna ofno onan onas onna onno onon onos onso ooaa ooff oofs oona oons oooo ooos oops oosa opan opap opo- opon opos oppa oppo opps opsa osaf osan osap osas osfa osno osoo osos ossa osso paan paap paas pafa paff pan- pana pann pano pans paon paos papa papp paps pasa paso pasp pass pfaa pfas pfff pfps pnas pnon pnpo pnpp poan poas poff pona pono ponp pons poof poon poop poos pop- popa popo popp pops posa posn poso poss ppan ppap ppfa ppoa ppos pppa pppn pppo pppp ppps ppsf ppss psap psas psfs psna psoa pson psos pspp psps pssa psso s-os saaf saan saap saas safa saff safo sana sann sano sans saon saos sapa sapo sapp saps sasa sasf saso sass sfas sfos sfpa sfss snap snas snns snoa snoo snop snos snpo snpp soan soap soas sofa sofo son- sona sono sons soof soon soop soos sopa sopo sopp sops sosa soso soss sp-a span spap spas spfs spns spon spoo spop spos sppf spps spsa spso spsp spss ssaa ssan ssao ssap ssas ssfp ssns ssop sspa sspf sspo ssps sssa sssf ssss