icpc icps icra icrc icrr icrs icrt icsa icsb icsc icsi icsp icsr icss icst icta ictp icts iiac iias iica iiii iiis iiit iipa iira iirc iirs iisc iisi iisp iisr iist iita iitr iitt inab inac inai inan inap inar inas inat inba inca incb inci incr incs inia inis init inna inni innr inns inp- inpa inpi inpp inpt inra inri inrs insa insc insp inss inst inta inti intn intp intr ints ipac ipan ipas ipat ipba ipca ipcc ipcs ipct ipin ipna ippa ippc ippr ipri ipsa ipsc ipsi ipsp ipss ipta iptc ipts irac irai iran irap irar iras irbp irca ircc ircs iri- iria iric irin irip iris irna irpa irpc irps irra irrc irri irrs irsa irsp irta irti irtp irts is-a isac isai isan isar isas isat isba isbn isbt isca iscc isci iscn iscp iscr iscs isct isia isic isin isis isit isna isnt ispa ispc ispr isps isra isri isrp issa issc issi issp issr isss ista istc isti istp istr ists itaa itac itai itan itap itar itas itat itbs itcs itia itic itin itis itpa itpc itra itri itrs itsa itsi itsp itta n-ii naaa naab naac naai naan naar naas naat naba nabc nabi nabs naca nacc naci nacp nacs naia naib naic nain naip nair nais nait nan- nana nanb nani nann nanp nans nant napa napb napi napp naps napt nara narc nari narn narp narr nars nart nas- nasa nasb nasc nasi nasp nasr nass nast nata natc nati natp nats natt nbaa nbap nbar nbas nbbc nbca nbcc nbci nbcs nbia nbic nbpa nbpp nbps nbsp nbti ncaa ncac ncap ncar ncat ncba ncbc ncbi ncbs ncca nccc ncci nccn nccp nccr nccs ncct ncia ncip ncis ncit ncna ncnc ncpa ncpc ncra ncrc ncri ncrp ncsa ncsc ncsi ncss ncst ncta nctc nctr niab niac nian nias nibi nibs nica nicc nici nics niia niip niir niit nina nini nins nipa nipc nipr nips nipt nira nirs nirt nisa nisi nisp niss nist nita nitb nitc niti nitr nits nnit nnnn nnpi nnpr nnsa nnss nntn npac npap npas npat npca npcc npic npin nppa nppc npra npri nprt npsa npss npta nptc nptn nrab nrap nras nrca nrcs nric nrna nrpc nrpn nrps nrrc nrsa nrsc nrsp nrta nrts nsaa nsac nsai nsar nsca nscc nscs nsic nsin nsis nsna nsnr nspc nspi nsps nsra nsrc nssa nssb nssc nssp nssr nsss nstc nstp nsts ntap ntbc ntcc ntia ntis ntpa ntpc ntrc ntsb ntsc ntss nttr paan paap paar paas paat paba pabt paca paci pacs pact paia paib pain paip pair pais pait pan- pana panc pani pann pans pant papa papb papi papp papr paps par- para parc pari parn parp parr pars part pasa pasc pasi pasp pass past pata pati patr pats patt pbac pban pbar pbcc pbpa pbrs pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcia pcin pcip pcns pcnt pcpb pcpn pcpp pcps pcra pcrc pcsa pcts piai pian pias piat pibb pibi pica picc pici picr pics pict piia piip pina pinc pini pinn pinp pins pint pipa pipi pipp pips pira pirc piri pirn pirr pirs pisa pisi piss pist pita piti pitr pits pitt pnac pnar pnas pnca pnic pnin pnpp pnra pnsc pntr ppac ppan ppap ppar ppcc ppci ppcs ppib ppic pppa pppn pppp ppps pprc ppss ppta pptn ppts pptt prai pran prar pras prat prbc prbs prca prcc prcp prcs pri- pria prii prin pris prna prnp prps prri prrs prsa prsc prsi prss prtc prti prtp prtr psac psap psas psat psbr psbt psca psci psia psip psis psna psnc psni psnr pspi pspp pspr psps psrp pssa pssc psst psts ptab ptas ptca ptcc ptsa pttc raab raan raas raat raba rabb rabi rabs rac- raca racc raci racs ract raia raic raii rain raip rair rais rait rana ranc rani rann rans rant rapa rapc rapi rapp raps rapt rara rarb rari rars rasa rasc rasi rasp rass rast rata rati ratp rats ratt rbbb rbbr rbbs rbis rbsp rbss rbst rcac rcas rcbc rccb rccc rccs rcic rcis rcnr rcpi rcps rcpt rcsa rcsc rcsi rcss rctc rcti rcts riaa riab riai rian rias riat rib- riba ribs rica ricc rics rict riia riin riis rina rinn ripa ripi ripp ripr rips ript riri rirs risa risc risi risp riss rist rita riti rits ritt rnai rnas rnbr rncp rncs rnin rnnt rnsp rntp rpca rpcs rpii rppn rpps rpta rptn rpts rras rrat rrna rrrr rrsp rsaa rsai rsbi rscc rscn rscs rsis rsna rsnn rsnr rspb rsps rssa rstp rsts rtai rtan rtas rtca rtcc rtns rtpa rtps rtss rttp rtts s-ib s-ic s-ii sa-c saab saac saan saap saar saas saat saba sabb sabc sabi sabr sabs saca sacc saci sacn sacr sacs sact saia saic sain saip sair sais sait sana sani sann sanr sans sant sapa sapi sapp saps sara sarc sari sarn sarp sarr sars sart sasa sasc sasi sass sast sata satb satc sati satn satr sats satt sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbsp sbst sbtc sbtn scaa scab scac scai scan scap scar scas scat scba scbi sccc sccp sccs scct sci- scia scic scin scip scir scis scit scna scnr scnt scpa scpb scpi scps scpt scr- scra scrc scri scrn scrs scsa scsc scsi scsn scsr scst sctc sctn sctr scts siaa siab siac siai sian sias siat siba sibc sibi sibs sica sicc sici sicp sics siit sina sini sinn sinp sins sint sipa sipc sipi sipp sips sipt sira sirc siri sirp sirr sirs sirt sisa sisc sisi siss sist sit- sita sitc siti sitn sits sitt snab snap snar snas snat snba snca sncc sncp snia snib snip snir snit snns snpp snra snrs sntr sp-a spac span spap spar spas spat spca spcc spcs spia