a-ii aaaa aaab aaac aaai aaal aaas aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aacs aacu aaib aaic aaii aais aala aalc aali aall aals aalu aasa aasc aasi aass aasu aaus abaa abab abac abai abal abas abau abb- abba abbb abbi abbs abca abcb abcc abci abcl abcs abia abib abic abil abis abiu abla abls abs- absa absi absl abss absu abua abul abus acaa acab acac acai acas acba acbl acca accc acci accs accu aci- acia acic acis acla aclc acli acls aclu acsa acsc acsi acsl acss acu- acul acus aiai aias aiba aibl aica aicc aics aiia aiib aiic aila aili ails ailu aisa aisb aisi aisl aiui alaa alac alai alal alas alau alb- alba albc albi albs albu alca alcc alcs ali- alia alib alii alil alis aliu all- alla alli alll alls allu alsa alsc alua alui alus asaa asab asac asai asal asas asau asba asbu asc- asca ascb ascc asci ascl asia asic asii asil asis asla asli assa assc assi assl asss assu asub asui asus auaa auca auci auis aul- aula auli aull auls aulu ausa ausu ba-i baaa baal baas baba babb babi babs babu bac- baca bacc baci bacs baia baib baic bail bais bala balc bali ball bals balu basa basc basi bass basu bau- baul bbas bbau bbbb bbbs bbci bblb bbls bcaa bcas bcbc bcbs bcca bccc bcci bccl bccs bcia bcis bcsa bcsc bcsl bcss bcuc bial bias biba bibb bibi bibl bibs bica bicc bici bics biis bila bili bill bils bilu bis- bisa bisc bisl biss bisu blaa blab blac blas blau blcu blic blis blls blss blub blus bsaa bsac bsas bsci bscs bsic bslc bssc bual buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buis buiu bula bulb buli bull buls bulu busa busc busi buss busu buus caaa caab caac caal caas caba cabi cabs cabu cac- caca cacc caci caia caib caic cail cais caiu cala calc cali call cals calu casa casb casc casi casl cass casu cauc caul caus cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbcu cbia cblb cblc cbsa cbsc cbsi cbus ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccl cccs cccu ccic ccii ccil ccis ccla cclc ccli ccls ccsa ccsi ccsl ccss ccuc ccus ciaa cial cias ciau ciba cibc cibi cica cicc cici cics cicu ciia ciii ciis cila cili cill cils cis- cisa cisc cisl ciss ciuc cius clab clai clas clau clib clic clii clis clsa clsc club csaa csab csac csas cscb cscc csci cscl cscs csia csib csis csla cslu cssa csua csus cuau cub- cuba cubb cubi cubs cuca cucc cuci cui- cuil cuis cula culb culc cull culs cusa cusb cuss cusu iaaa iaac iaai iaal iaas iaba iaca iacc iacs iacu iaia iais iala iall ials ialu iasa iasc iasi ibac ibas ibca ibcs ibia ibis ibsa ibss ibus icaa icab icac icai ical icas icbc icbs icca iccb iccc icci iccl iccs iccu icis icll icsa icsb icsc icsi icss icub icus iiac iias iica iiii iiis iila iisc iisi iisu iiuc ilac ilal ilas ilbc ilca ilia ilic ilis ill- illa illi ills ilsa ilus is-a isac isai isal isas isba isbl isca iscc isci iscs iscu isia isic isil isis isla isls issa issc issi isss issu isua isus iucc iuiu iuss laaa laac laal laas laba labi labs labu laca lacc laci lacl lacs lacu laia laic lail lais lala lali lall lalu lasa lasi lass lasu laub laul laus lbcc lbia lbsc lcac lcbc lcca lccc lccs lcia lcis lcls lcsc liac lias liba libc libs libu lica lics liia liii liis lila lilb lili lill lils lilu lisa lisi liss lisu liua lius llbs llcc llcs lllc llll lsbu lscb lscs lsla lssa luai luas luau luba lubs luca luci lucs luis lula luli lull lulu lusa lusi luss luua s-ib s-ic s-ii sa-c saab saac saal saas saba sabb sabc sabi sabs sabu saca sacc saci sacs sacu saia saic sail sais sala salc sali sall sals salu sasa sasc sasi sasl sass saua sauc saul saus sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi sbus scaa scab scac scai scal scas scba scbi sccc sccl sccs sci- scia scic scil scis scl- sclc scls scsa scsc scsi scsl scsu scua scub scul siaa siab siac siai sial sias siau siba sibc sibi sibs sibu sica sicc sici sics sicu sil- sila silc sili sill sils silu sisa sisc sisi siss sisu siui sius sl-i slaa slab slac slai slas slau slcc slcu slib slic slsa slsc slsu slub sluc ssaa ssab ssac ssas ssau ssca sscc ssci sscs ssis ssla sslc sssa sssb sssc sssi ssss suas sub- suba subb subi subl subs suc- succ suci sucs suis sul- sula sulc suli sull sulu sus- susa susi suss susu suus uabc uaca uasa uaua ubac ubal ubba ubbi ubic ubii ubis ubla ubli ubls ucai ucal ucas ucbc ucca ucci ucil ucla ucsa ucsb ucsc ucsu ucua uica ulaa ulai ulas ulbc ulcc ulic ulla ulli ulsa ulua ulul ulus us-a usaa usac usal usas usba usbc usbl usbs usca uscc uscs usia usis uslu ussa ussb ussc usss ussu usua usui usul usus uulu uusi uuuu