isai isar isas isat isba isbe isbt isca iscc isci iscp iscr iscs isct isea iseb isec isee isep iser ises iset isfa isfc isfp isia isic isie isis isit ispa ispc ispe ispf ispr isps isra isri isrp issa issc isse issf issi issp issr isss ista istc iste isti istp istr ists itaa itac itaf itai itap itar itas itat itbe itbs itcs itea itec itep iter ites itet itfa itia itic itie itif itis itpa itpc itra itrf itri itrs itsa itse itsf itsi itsp itta ittf paap paar paas paat paba pabt paca pace paci pacs pact paea paec paep paer paes pafa pafc pafe paff paia paib paie paip pair pais pait papa papb pape papi papp papr paps par- para parc pare parf pari parp parr pars part pasa pasc pase pasi pasp pass past pata pate pati patr pats patt pbac pbar pbcc pbpa pbrf pbrs pbsa pbsp pcaa pcae pcaf pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcer pcfc pcia pcip pcpb pcpp pcps pcra pcrc pcre pcrf pcsa pcse pcte pcts peab peac peai peap pear peas peat peba peca pece peci pecr pecs pect peec peep peer pees peet pefc peff pefs peia peip peir peis peit pepa pepe pepi peps per- pera perc pere perf peri perp perr pers pert pesa pese pesi pess pest peta pete peti petr pets pett pfaa pfas pfcb pfce pfcs pfet pfff pffr pfft pfic pfis pfit pfps pfra pfte piaf piai pias piat pibb pibi pica picc pice pici picr pics pict piea piep pier pies piet pifa piff pifs piia piip pipa pipe pipi pipp pips pira pirc pire piri pirr pirs pisa pise pisi piss pist pita pite pitf piti pitr pits pitt ppac ppap ppar ppcc ppci ppcs pper ppfa ppib ppic ppie ppif pppa pppp ppps pprc pprf ppsf ppss ppta ppts pptt prae prai prar pras prat prbc prbs prca prcc prcf prcp prcs pre- preb prec pree pref prep pres pret prfc prfs pri- pria prie prif prii pris prps prri prrs prsa prsc prse prsi prss prtc prti prtp prtr psac psap psas psat psbr psbt psca psci pseb psec psei psfs psia psip psis pspi pspp pspr psps psrp pssa pssc psse psst psts ptab ptaf ptas ptca ptcc pter ptrf ptsa pttc raab raaf raas raat raba rabb rabe rabi rabs rac- raca racc race raci racs ract raec raef raep raer raes rafa rafc rafe raff rafi raft raia raic raie raif raii raip rair rais rait rapa rapc rape rapi rapp raps rapt rara rarb rare rarf rari rars rasa rasc rase rasi rasp rass rast rata rate ratf rati ratp rats ratt rbaf rbbb rbbr rbbs rbis rbsp rbss rbst rcac rcaf rcas rcbc rccb rccc rccs rcep rcet rcfc rcic rcis rcpi rcps rcpt rcsa rcsc rcsi rcss rctc rcti rcts rea- reac reae reaf reap rear reas reat reba rebb rebe rebs reca recc rece reci recp recr recs rect reeb reef reep rees reet refe reff refi refr refs reft reia reif reii reir reis reit repe repi repp repr reps rept rera rere reri rers rert resa rese resi resp ress rest reta rete reti retr rets rett rfae rfef rffc rfic rftc riaa riab riai rias riat rib- riba ribe ribs rica ricc rice rics rict rief riep rier ries riet rifa rife riff rifs rift riia riif riis ripa ripe ripi ripp ripr rips ript rire riri rirs risa risc rise risi risp riss rist rita rite riti rits ritt rpca rpcs rpet rpfc rpii rpps rpta rpts rras rrat rrfc rrif rrrr rrsp rsaa rsaf rsai rsbi rscc rscs rsee rsfc rsis rspb rsps rsre rssa rstp rsts rtai rtas rtbf rtca rtcc rtce rtee rtei rtes rtfb rtfc rtpa rtps rtss rttp rtts s-ib s-ic s-ii sa-c saab saac saae saaf saap saar saas saat saba sabb sabc sabe sabi sabr sabs saca sacc sace saci sacr sacs sact saeb saer saes safa safb safc safe saff safi safr saft saia saic saie saif saip sair sais sait sapa sape sapi sapp saps sara sarc sare sarf sari sarp sarr sars sart sasa sasc sase sasf sasi sass sast sata satb satc sate sati satr sats satt sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbct sbef sber sbfc sbia sbic sbsa sbse sbsi sbsp sbst sbtc scaa scab scac scaf scai scap scar scas scat scba scbi sccc scce sccp sccs scct scea scec scee scep scer scet scfa scfc scfe scfi sci- scia scic scie scif scip scir scis scit scpa scpb scpe scpi scps scpt scr- scra scrc scre scri scrs scsa scsc scsi scsr scst sctc sctr scts se-c se-e se-f se-i se-s se-t seaa seab seac seaf seap sear seas seat seba sebe sebi sebs sebt sec- seca secc sece secr secs sect seea seeb seec seef seep seer sees seet sefa seff sefi seft seia seie seif seii seip seir seis seit sepa sepe sepi sepp sepr seps sept sera serb serc sere serf seri serp serr sers sert sesa sesc sese sesi sess sest set- seta setc sete setf seti sets sett sfar sfas sfba sfbc sfca sfcc sfcs sfer sffc sfia sfpa sfpc sfra sfrc sfss sftp sfts siaa siab siac siae siaf siai sias siat siba sibc sibe sibi sibs sica sicc sice sici sicp sics siec sief sier sies sifa sife siff sifr sift siit sipa sipc sipe sipi sipp sips sipt sira sirc sire sirf siri sirp sirr sirs sirt sisa sisc sise sisi siss sist sit- sita sitc site siti sits sitt sp-a spac spae spap spar spas spat spca spcc spcs spea speb spec spee spef sper spes spet spfc spfs spia spib spic spie spip spir spis spit sppf spps spri sprs spsa spse spsp spss spst spta sptb sptc sptr spts sraf sras srbc srcc srct sreb srec sres srfc srfi srib