a-ii aaaa aaab aaac aaai aaal aaap aaas aaba aabb aabc aabi aabl aabp aaca aacb aacc aaci aacl aacp aacs aaib aaic aaii aais aala aalc aali aall aals aapa aapc aapi aapl aaps aasa aasc aasi aass abaa abab abac abai abal abap abas abb- abba abbb abbi abbs abca abcb abcc abci abcl abcp abcs abia abib abic abil abis abla abls abpa abpc abpi abpp abps abs- absa absi absl absp abss acaa acab acac acai acap acas acba acbl acca accc acci accp accs aci- acia acic acip acis acla aclc acli acls acpa acpi acps acsa acsc acsi acsl acss aiai aias aiba aibl aica aicc aicp aics aiia aiib aiic aila aili ails aipa aipi aips aisa aisb aisi aisl al-p alaa alac alai alal alap alas alb- alba albc albi albs alca alcc alcs ali- alia alib alii alil alip alis all- alla alli alll alls alpa alpi alpl alps alsa alsc apac apai apal apap apas apba apbs apca apcb apcc apcs api- apia apic apip apis apl- apla aplp apls appa appc appl apps apsa apsi apsl apss asaa asab asac asai asal asap asas asba asc- asca ascb ascc asci ascl ascp asia asic asii asil asip asis asla asli aspa aspc aspi aspl asps assa assc assi assl assp asss ba-i baaa baal baas baba babb babi babs bac- baca bacc baci bacs baia baib baic bail bais bala balc bali ball bals bapa bapc bapi bapp baps basa basc basi bass bbas bbbb bbbs bbci bblb bbls bcaa bcap bcas bcbc bcbp bcbs bcca bccc bcci bccl bccs bcia bcis bcpl bcpp bcps bcsa bcsc bcsl bcss bial biap bias biba bibb bibi bibl bibs bica bicc bici bics biis bila bili bill bils bipa bipp bips bis- bisa bisc bisl bisp biss blaa blab blac blas blic blip blis blls blsp blss bpai bpcp bpsa bsaa bsac bsap bsas bsci bscp bscs bsic bslc bspp bssc caaa caab caac caal caap caas caba cabi cabs cac- caca cacc caci caia caib caic cail caip cais cala calc cali call calp cals capa capb capc capi capp caps casa casb casc casi casl casp cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcp cbcs cbia cblb cblc cbpc cbpp cbsa cbsc cbsi ccaa ccab ccac ccai ccap ccas ccba ccbc ccca cccb cccc ccci cccl cccp cccs ccic ccii ccil ccip ccis ccla cclc ccli ccls ccpa ccpl ccpp ccps ccsa ccsi ccsl ccsp ccss ciaa cial cias ciba cibc cibi cica cicc cici cics ciia ciii ciis cila cili cill cilp cils cipa cipp cips cis- cisa cisc cisl cisp ciss clab clai clap clas clib clic clii clip clis clpb clpp clsa clsc cpaa cpac cpap cpas cpbc cpca cpcs cpia cpic cplc cpls cppa cpps cpsa cpsc cpsl csaa csab csac csas cscb cscc csci cscl cscs csia csib csis csla cslp cspa cspb cspc cspi csps cssa iaaa iaac iaai iaal iaap iaas iaba iaca iacc iacp iacs iaia iais iala iall ials iapa iapp iaps iasa iasc iasi iasp ibac ibas ibca ibcs ibia ibis ibsa ibss icaa icab icac icai ical icap icas icbc icbp icbs icca iccb iccc icci iccl iccp iccs icis icll iclp icpa icpc icps icsa icsb icsc icsi icsp icss iiac iias iica iiii iiis iila iipa iisc iisi iisp ilac ilal ilas ilbc ilca ilia ilic ilis ill- illa illi illp ills ilpa ilsa ipac ipas ipba ipca ipcc ipcs ipil ippa ippc ipsa ipsc ipsi ipsp ipss is-a isac isai isal isas isba isbl isca iscc isci iscp iscs isia isic isil isis isla isls ispa ispc isps issa issc issi issp isss laaa laac laal laap laas laba labi labs laca lacc laci lacl lacp lacs laia laic lail laip lais lala lali lall lapa lapb lapc lapi lapp laps lasa lasi lass lbcc lbia lbsc lcac lcbc lcca lccc lccs lcia lcis lcls lcpa lcpc lcpl lcps lcsc lcsp liac lias liba libc libs lica lics liia liii liis lila lilb lili lill lils lip- lipa lipb lipc lipi lipl lipp lips lisa lisi lisp liss llbs llcc llcs lllc llll llps lpac lpla lppl lpsc lpss lsap lscb lscs lsla lspl lssa lssp paal paap paas paba paca paci pacs paia paib pail paip pais pala pali pall palp pals papa papb papi papp paps pasa pasc pasi pasl pasp pass pbac pbcc pbil pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccl pccs pcia pcip pcll pcpb pcpp pcps pcsa piai pial pias pibb pibi pica picc pici pics piia piip pil- pila pili pill pils pipa pipi pipp pips pisa pisi piss plaa plab plac plai plap plas plcc plib plip plis plpa plpp plsi plss ppac ppal ppap ppcc ppci ppcs ppib ppic ppli pppa pppp ppps ppss psac psap psas psca psci psia psil psip psis pspi pspp psps pssa pssc s-ib s-ic s-ii sa-c saab saac saal saap saas saba sabb sabc sabi sabs saca sacc saci sacs saia saic sail saip sais sala salc sali sall salp sals sapa sapi sapp saps sasa sasc sasi sasl sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi sbsp scaa scab scac scai scal scap scas scba scbi sccc sccl sccp sccs sci- scia scic scil scip scis scl- sclc scls scpa scpb scpi scpl scps scsa scsc scsi scsl siaa siab siac siai sial sias siba sibc sibi sibs sica sicc sici sicp sics sil- sila silc sili sill sils sipa sipc sipi sipp sips sisa sisc sisi siss sl-i slaa slab slac slai slap slas slbp slcc slib slic slip sllp slpi slpp slps slsa slsc sp-a spac spal spap spas spca spcc spcs spia spib spic spip spis spla splc splp spls spps spsa spsp spss ssaa ssab ssac ssap ssas ssca sscc ssci sscp sscs ssis ssla sslc sslp sspa sspc sspl ssps sssa sssb sssc sssi