icss ieac iecc ieie iepa iera iere ieri iers iesa iesc iesi iesr iiac iias iica iies iiie iiii iiis iipa iira iirc iirs iisc iisi iisp iisr ipac ipas ipba ipca ipcc ipce ipcs ipea ipec iper ipes ipie ippa ippc ippr ipri ipsa ipsc ipse ipsi ipsp ipss irac irae irai irap irar iras irbe irbp irca ircc ircs iree irer ires iri- iria iric irie irip iris irpa irpc irpe irps irra irrc irre irri irrs irsa irse irsp is-a isac isae isai isar isas isba isbe isca iscc isci iscp iscr iscs isea iseb isec isee isep iser ises isia isic isie isis ispa ispc ispe ispr isps isra isri isrp issa issc isse issi issp issr isss paap paar paas paba paca pace paci pacs paea paec paep paer paes paia paib paie paip pair pais papa papb pape papi papp papr paps par- para parc pare pari parp parr pars pasa pasc pase pasi pasp pass pbac pbar pbcc pbpa pbrs pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcer pcia pcip pcpb pcpp pcps pcra pcrc pcre pcsa pcse peab peac peai peap pear peas peba peca pece peci pecr pecs peec peep peer pees peia peip peir peis pepa pepe pepi peps per- pera perc pere peri perp perr pers pesa pese pesi pess piai pias pibb pibi pica picc pice pici picr pics piea piep pier pies piia piip pipa pipe pipi pipp pips pira pirc pire piri pirr pirs pisa pise pisi piss ppac ppap ppar ppcc ppci ppcs pper ppib ppic ppie pppa pppp ppps pprc ppss prae prai prar pras prbc prbs prca prcc prcp prcs pre- preb prec pree prep pres pri- pria prie prii pris prps prri prrs prsa prsc prse prsi prss psac psap psas psbr psca psci pseb psec psei psia psip psis pspi pspp pspr psps psrp pssa pssc psse raab raas raba rabb rabe rabi rabs rac- raca racc race raci racs raec raep raer raes raia raic raie raii raip rair rais rapa rapc rape rapi rapp raps rara rarb rare rari rars rasa rasc rase rasi rasp rass rbbb rbbr rbbs rbis rbsp rbss rcac rcas rcbc rccb rccc rccs rcep rcic rcis rcpi rcps rcsa rcsc rcsi rcss rea- reac reae reap rear reas reba rebb rebe rebs reca recc rece reci recp recr recs reeb reep rees reia reii reir reis repe repi repp repr reps rera rere reri rers resa rese resi resp ress riaa riab riai rias rib- riba ribe ribs rica ricc rice rics riep rier ries riia riis ripa ripe ripi ripp ripr rips rire riri rirs risa risc rise risi risp riss rpca rpcs rpii rpps rras rrrr rrsp rsaa rsai rsbi rscc rscs rsee rsis rspb rsps rsre rssa s-ib s-ic s-ii sa-c saab saac saae saap saar saas saba sabb sabc sabe sabi sabr sabs saca sacc sace saci sacr sacs saeb saer saes saia saic saie saip sair sais sapa sape sapi sapp saps sara sarc sare sari sarp sarr sars sasa sasc sase sasi sass sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sber sbia sbic sbsa sbse sbsi sbsp scaa scab scac scai scap scar scas scba scbi sccc scce sccp sccs scea scec scee scep scer sci- scia scic scie scip scir scis scpa scpb scpe scpi scps scr- scra scrc scre scri scrs scsa scsc scsi scsr se-c se-e se-i se-s seaa seab seac seap sear seas seba sebe sebi sebs sec- seca secc sece secr secs seea seeb seec seep seer sees seia seie seii seip seir seis sepa sepe sepi sepp sepr seps sera serb serc sere seri serp serr sers sesa sesc sese sesi sess siaa siab siac siae siai sias siba sibc sibe sibi sibs sica sicc sice sici sicp sics siec sier sies sipa sipc sipe sipi sipp sips sira sirc sire siri sirp sirr sirs sisa sisc sise sisi siss sp-a spac spae spap spar spas spca spcc spcs spea speb spec spee sper spes spia spib spic spie spip spir spis spps spri sprs spsa spse spsp spss sras srbc srcc sreb srec sres srib sris srpc srps srsp ssaa ssab ssac ssap ssas ssbr ssca sscc ssce ssci sscp sscs ssec ssee ssep sses ssis sspa sspc sspe ssps ssra ssrc ssri ssrs sssa sssb sssc sssi ssss