npat npca npcc npic npin nppa nppc npsa npss npta nptc nptn nsaa nsac nsai nsca nscc nscs nsic nsin nsis nsna nspc nspi nsps nssa nssb nssc nssp nsss nstc nstp nsts ntap ntbc ntcc ntia ntis ntpa ntpc ntsb ntsc ntss paan paap paas paat paba pabt paca paci pacs pact paia paib pain paip pais pait pan- pana panc pani pann pans pant papa papb papi papp paps pasa pasc pasi pasp pass past pata pati pats patt pbac pban pbcc pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcia pcin pcip pcns pcnt pcpb pcpn pcpp pcps pcsa pcts piai pian pias piat pibb pibi pica picc pici pics pict piia piip pina pinc pini pinn pinp pins pint pipa pipi pipp pips pisa pisi piss pist pita piti pits pitt pnac pnas pnca pnic pnin pnpp pnsc ppac ppan ppap ppcc ppci ppcs ppib ppic pppa pppn pppp ppps ppss ppta pptn ppts pptt psac psap psas psat psbt psca psci psia psip psis psna psnc psni pspi pspp psps pssa pssc psst psts ptab ptas ptca ptcc ptsa pttc s-ib s-ic s-ii sa-c saab saac saan saap saas saat saba sabb sabc sabi sabs saca sacc saci sacn sacs sact saia saic sain saip sais sait sana sani sann sans sant sapa sapi sapp saps sasa sasc sasi sass sast sata satb satc sati satn sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbsa sbsi sbsp sbst sbtc sbtn scaa scab scac scai scan scap scas scat scba scbi sccc sccp sccs scct sci- scia scic scin scip scis scit scna scnt scpa scpb scpi scps scpt scsa scsc scsi scsn scst sctc sctn 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 sisa sisc sisi siss sist sit- sita sitc siti sitn sits sitt snab snap snas snat snba snca sncc sncp snia snib snip snit snns snpp sp-a spac span spap spas spat spca spcc spcs spia spib spic spin spip spis spit spns spps spsa spsp spss spst spta sptb sptc spts ssaa ssab ssac ssan ssap ssas ssat ssbn ssca sscc ssci sscp sscs ssin ssis ssit ssns sspa sspc ssps sspt sssa sssb sssc sssi ssss ssta sstb sstc sstp ssts stab stac stai stan stap stas stat stbc stbs stca stcc stcp stcs stia stib stic stip stis stit stnn stns stpp stps stsi stss sttc taa- taan taas taat taba tabb tabc tabi tabs taca tacc taci tacs tact taia tain taip tais tait tana tani tann tans tant tapa tapi tapp taps tapt tasa tasb tasc tasi tasp tass tast tata tatb tati tats tatt tbas tbbs tbca tbcb tbcc tbit tbsp tbst tbta tbtp tcap tcbs tcca tccc tcnn tcpa tctc tcts tiaa tiab tian tias tiba tibi tibs tica ticc tics tiit tina tinc tini tinn tins tint tip- tipa tipc tipi tipp tips tipt tisa tisb tisi tiss tist tita titc titi titp tits titt tnbc tnca tncc tnsp tnts tpac tpap tpcp tpcs tpia tppa tppp tpsa tpsc tptp tsaa tsai tsat tsbc tsca tscc tscp tsia tsin tsis tsna tspn tsps tspt tssa tssi tsst tstc tsts ttab ttbb ttcn ttcp ttss tttt