fern ferr fers fesa fese fess ffar ffee ffff ffii ffps ffrr ffsa ffss fiaa fiaf fian fiap fiar fias fief fien fier fies fifa fife fiff fifi fiii fina fine fini finn finp fins fipa fipp fips fira fire firn firs fisa fise fisi fiss fnar fnrs fnsp fpaa fpas fpin fpra fprf frae fran frap fras frea free frei fren frep fres fria frie frin frip fris frns frps fsai fsas fsfi fsia fspf fsra fssa fssf fssp iaaa iaai iaap iaas iaea iaep iafe iaff iafp iaia iain iais iana iane ians iapa iapf iapp iaps iara iare iars iasa iasi iasp iasr ieie iena iens iepa iera iere ieri iers iesa iesi iesr ifaa ifae ifan ifar ifas ifen ifer ifes ifis ifni ifnr ifns ifpa ifps ifra ifrf ifri ifsa ifsp iias iies iifa iiie iiii iiis iipa iipf iira iirs iisi iisp iisr inae inaf inai inan inap inar inas inee ines infa infi infp infs inia inis inna inne inni innr inns inp- inpa inpe inpi inpp inra inre inri inrs insa inse insp inss ipaf ipan ipas ipea ipen iper ipes ipie ipin ipna ippa ippf ippr ipri ipsa ipse ipsi ipsp ipss irae iraf irai iran irap irar iras iree iren irer ires irfe iri- iria irie irin irip iris irna irne irpa irpe irps irra irre irri irrs irsa irse irsf irsp is-a isae isaf isai isan isar isas isea isee isen isep iser ises isfa isfp isia isie isin isis isna ispa ispe ispf ispr isps isra isri isrp issa isse issf issi issp issr isss n-ii naaa naai naan naar naas naea naef naes nafa nafe naff nafi nafs naia naie naif nain naip nair nais nan- nana nane nani nann nanp nans napa nape napf napi napp naps nara nare narf nari narn narp narr nars nas- nasa nase nasf nasi nasp nasr nass neaf nean neap near neas neea neef neei neen neep neer nees nefa nefe neff nefi nefs neia neif nein neip neir neis nena nene neni nens nepa nepe nepi nepr neps nera nere nerf neri nerr ners nesa nese nesi nesn nesr ness nfaa nfas nfer nfff nfia nfip nfpa nfps nfra nfrs nfsr niaf nian nias niea nief nien nier nies nifa nife niff niia niip niir nina nine nini nins nipa nipe nipr nips nira nire nirs nisa nise nisi nisp niss nnes nnnn nnpi nnpr nnsa nnss npap npas npes npif npin nppa npra npri npsa npss nrap nras nren nrna nrpn nrps nrsa nrsp nsaa nsai nsar nsep nser nsfs nsin nsis nsna nsnr nspi nsps nsra nssa nsse nssf nssp nssr nsss paan paap paar paas paea paen paep paer paes pafa pafe paff paia paie pain paip pair pais pan- pana pane pani pann pans papa pape papi papp papr paps par- para pare parf pari parn parp parr pars pasa pase pasi pasp pass peai pean peap pear peas peen peep peer pees peff pefs peia pein peip peir peis pen- pena pene peni penn pens pepa pepe pepi peps per- pera pere perf peri pern perp perr pers pesa pese pesi pess pfaa pfas pfff pffr pfis pfps pfra piaf piai pian pias piea pien piep pier pies pifa piff pifs piia piip pina pine pini pinn pinp pins pipa pipe pipi pipp pips pira pire piri pirn pirr pirs pisa pise pisi piss pnar pnas pnea pnes pnin pnpp pnra ppan ppap ppar ppen pper ppfa ppie ppif pppa pppn pppp ppps pprf ppsf ppss prae prai pran prar pras pre- pree pref pren prep pres prfs pri- pria prie prif prii prin pris prna prnp prps prri prrs prsa prse prsi prss psap psas psei psfs psia psip psis psna psni psnr pspi pspp pspr psps psrp pssa psse raaf raan raas raef raen raep raer raes rafa rafe raff rafi raia raie raif raii rain raip rair rais rana rane rani rann rans rapa rape rapi rapp raps rara rare rarf rari rars rasa rase rasi rasp rass rea- reae reaf rean reap rear reas reef reen reep rees refe reff refi refn refr refs reia reif reii rein reir reis rena rene reni renn rens repe repi repp repr reps rera rere reri rers resa rese resi resn resp ress rfae rfef riaa riai rian rias rief rien riep rier ries rifa rife riff rifs riia riif riin riis rina rine rinf rinn ripa ripe ripi ripp ripr rips rire riri rirs risa rise risi risp riss rnaf rnai rnas rnie rnin rnsp rpii rppn rpps rras rrif rrna rrrr rrsp rsaa rsaf rsai rsee rsis rsna rsnn rsnr rsps rsre rssa s-ii saae saaf saan saap saar saas saen saer saes safa safe saff safi safr saia saie saif sain saip sair sais sana sane sani sann sanr sans sapa sape sapi sapp saps sara sare sarf sari sarn sarp sarr sars sasa sase sasf sasi sass se-e se-f se-i se-n se-s seaa seaf sean seap sear seas seea seef seen seep seer sees sefa seff sefi seia seie seif seii sein seip seir seis sena sene seni senn senr sens sepa sepe sepi sepn sepp sepr seps sera sere serf seri sern serp serr sers sesa sese sesi sess sfar sfas sfer sfia sfne sfpa sfra sfss siaa siae siaf siai sian sias sief sien sier sies sifa sife siff sifr sina sine sini sinn sinp sins sipa sipe sipi sipp sips sira sire sirf siri sirp sirr sirs sisa sise sisi siss snap snar snas snee snep sner snes snia snie snip snir snns snpp snra snrs sp-a spae span spap spar spas spea spee spef spen sper spes spfs spia spie spin spip spir spis spne spns sppf spps spri sprs spsa spse spsp spss sraf sras sres srfi sris srna srni srnn srps srsp ssaa ssan ssap ssas ssee ssep sses ssfp ssin ssis ssns sspa sspe sspf ssps ssra ssri ssrs sssa sssf sssi