a-ii aaaa aaab aaac aaai aaal aaas aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aaco aacs aaib aaic aaii aais aala aalc aali aall aalo aals aaoo aasa aasc aasi aass abaa abab abac abai abal abas abb- abba abbb abbi abbo abbs abca abcb abcc abci abcl abcs abia abib abic abil abis abla ablo abls aboa abob abol aboo abos abs- absa absi absl abss acaa acab acac acai acas acba acbl acca accc acci acco accs aci- acia acic acis acla aclc acli acls acoa acol acos acsa acsc acsi acsl acss aiai aias aiba aibl aibo aica aicc aics aiia aiib aiic aila aili ails aioc aioi aisa aisb aisi aisl aiso alaa alac alai alal alao alas alb- alba albc albi albo albs alca alcc alco alcs ali- alia alib alii alil alio alis all- alla alli alll allo alls aloa aloc aloi alol aloo alos alsa alsc also aoba aoca aocs aola aoss asaa asab asac asai asal asao asas asba asbo asc- asca ascb ascc asci ascl asco asia asic asii asil asio asis asla asli aslo asob asoc asoi asos assa assc assi assl asso asss ba-i baaa baal baas baba babb babi babo babs bac- baca bacc baci baco bacs baia baib baic bail baio bais bala balc bali ball balo bals baol baos basa basc basi baso bass bbas bbbb bbbs bbci bblb bbls bcaa bcas bcbc bcbs bcca bccc bcci bccl bccs bcia bcis bcos bcsa bcsc bcsl bcss bial biao bias biba bibb bibi bibl bibo bibs bica bicc bici bico bics biis bila bili bill bilo bils bio- bioc bioi biol bios bis- bisa bisc bisl biso biss blaa blab blac blas blic blio blis blls blob bloc bloo blss boab boac boai boal boas boba bobb bobi bobo bobs boca boco bocs boi- boii boil bois bola boli boll bolo bols boob booc bool boos bosa bosc bosi boso boss bsaa bsac bsas bsci bscs bsic bslc bsos bssc c-bo caaa caab caac caal caas caba cabi cabo cabs cac- caca cacc caci caco caia caib caic cail caio cais cala calc cali call calo cals caoi caol caos casa casb casc casi casl caso cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbia cblb cblc cbol cbsa cbsc cbsi ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccl cccs ccic ccii ccil ccis ccla cclc ccli ccls ccob ccoc ccsa ccsi ccsl ccss ciaa cial ciao cias ciba cibc cibi cibo cica cicc cici cico cics ciia ciii ciis cila cili cill cilo cils ciob cios cis- cisa cisc cisl ciss clab clai clas clib clic clii clio clis clob cloo clos clsa clsc coai coal coas coba cobb cobi cobo cobs coca coco coia coil cois col- cola colb coli coll colo cols coob cool coos cosa cosc cosi cosl coso coss csaa csab csac csao csas cscb cscc csci cscl csco cscs csia csib csio csis csla csob csos cssa iaaa iaac iaai iaal iaas iaba iaca iacc iacs iaia iais iala iall ials iasa iasc iasi iaso ibac ibas ibca ibcs ibia ibis ibos ibsa ibss icaa icab icac icai ical icao icas icbc icbs icca iccb iccc icci iccl icco iccs icis icll icoc icos icsa icsb icsc icsi icss iiac iias iica iiii iiio iiis iila iioi iioo iios iisc iisi ilac ilal ilas ilbc ilca ilia ilic ilio ilis ill- illa illi illo ills iloc iloo ilos ilsa ioba iobi ioci ioii ioio iola iolo iooi iooo ioos ioso is-a isac isai isal isao isas isba isbl isca iscc isci isco iscs isia isic isil isis isla isls iso- isoc isol isos issa issc issi isso isss laaa laac laal laas laba labi labo labs laca lacc laci lacl laco lacs laia laic lail lais lala lali lall lalo laos lasa lasi laso lass lbcc lbia lbos lbsc lcac lcbc lcca lccc lccs lcia lcis lcls lcsc liac liao lias liba libc libo libs lica lico lics liia liii liis lila lilb lili lill lilo lils lio- lios lisa lisi liso liss llao llbs llcc llcs lllc llll lloa lloc lloo loac loas lob- loba lobb lobi lobo lobs loca locc loci loco locs loic lois lola loli loll lolo lols loob looc lool loos losa losc losi loso loss lscb lsco lscs lsla lssa lsso oaic oais oall oasc oasi oasl oass obai obal obas obba obbo obia obis obla obls oboi obol obos obss ocab ocac ocal ocas ocbc occa occc occi ocis oclc ocos ocsa oiba oici oiii oila oils oios oisc olac olas olba olbo olca olcc olia olib olic olio olis olla olli ollo olos olsi ooaa ooba oobi ooia oola oolo oooo ooos oosa oosi osai osas osba osca oscc osci oscl osco osia osii osis osla osli oslo osoi osoo osos ossa ossb ossi osso s-ib s-ic s-ii s-os sa-c saab saac saal saas saba sabb sabc sabi sabo sabs saca sacc saci saco sacs saia saic sail sais sala salc sali sall salo sals saoi saol saos sasa sasc sasi sasl saso sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi scaa scab scac scai scal scas scba scbi sccc sccl sccs sci- scia scic scil scio scis scl- sclc scls scob scol scoo scsa scsc scsi scsl scso siaa siab siac siai sial sias siba sibc sibi sibo sibs sica sicc sici sico sics sil- sila silc sili sill silo sils siol sios sisa sisc sisi siss sl-i slaa slab slac slai slas slcc slib slic slob sloc sloo slos slsa slsc soal soas soba sobo sobs soca soci socl soco socs soia soic soil sois sola soli soll solo sols sool soos sosa sosi soso soss ssaa ssab ssac ssao ssas ssca sscc ssci sscs ssis ssla sslc ssoc sssa sssb sssc sssi ssss