-al -ol a-a a-b a-c aaa aab aac aal aao aas ab- aba abb abc abl abo abs ac- aca acb acc acl aco acs al- ala alb alc all alo als aoa aob aoc aol aoo aos as- asa asb asc asl aso ass baa bab bac bal bao bas bba bbb bbc bbl bbo bbs bca bcb bcc bcl bco bcs bla blb blc bll blo bls boa bob boc bol boo bos bsa bsb bsc bsl bso bss c-- caa cab cac cal cao cas cba cbb cbc cbl cbo cbs cca ccb ccc ccl cco ccs cl- cla clb clc cll clo cls co- coa cob coc col coo cos csa csb csc csl cso css la- laa lab lac lal lao las lba lbb lbc lbl lbo lbs lca lcb lcc lcl lco lcs lla llb llc lll llo lls loa lob loc lol loo los lsa lsb lsc lsl lso lss oaa oab oac oal oao oas ob- oba obb obc obl obo obs oc- oca ocb occ ocl oco ocs ola olb olc oll olo ols oo- ooa oob ooc ool ooo oos os- osa osb osc osl oso oss saa sab sac sal sao sas sba sbb sbc sbl sbo sbs sca scb scc scl sco scs sla slb slc sll slo sls soa sob soc sol soo sos ss- ssa ssb ssc ssl sso sss

aaaa aaab aaac aaal aaas aaba aabb aabc aabl aaca aacb aacc aacl aaco aacs aala aalc aall aalo aals aaoo aasa aasc aass abaa abab abac abal abas abb- abba abbb abbo abbs abca abcb abcc abcl abcs abla ablo abls aboa abob abol aboo abos abs- absa absl abss acaa acab acac acas acba acbl acca accc acco accs acla aclc acls acoa acol acos acsa acsc acsl acss alaa alac alal alao alas alb- alba albc albo albs alca alcc alco alcs all- alla alll allo alls aloa aloc alol aloo alos alsa alsc also aoba aoca aocs aola aoss asaa asab asac asal asao asas asba asbo asc- asca ascb ascc ascl asco asla aslo asob asoc asos assa assc assl asso asss baaa baal baas baba babb babo babs bac- baca bacc baco bacs bala balc ball balo bals baol baos basa basc baso bass bbas bbbb bbbs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcos bcsa bcsc bcsl bcss blaa blab blac blas blls blob bloc bloo blss boab boac boal boas boba bobb bobo bobs boca boco bocs bola boll bolo bols boob booc bool boos bosa bosc boso boss bsaa bsac bsas bscs bslc bsos bssc c-bo caaa caab caac caal caas caba cabo cabs cac- caca cacc caco cala calc call calo cals caol caos casa casb casc casl caso cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cblb cblc cbol cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs ccla cclc ccls ccob ccoc ccsa ccsl ccss clab clas clob cloo clos clsa clsc coal coas coba cobb cobo cobs coca coco col- cola colb coll colo cols coob cool coos cosa cosc cosl coso coss csaa csab csac csao csas cscb cscc cscl csco cscs csla csob csos cssa laaa laac laal laas laba labo labs laca lacc lacl laco lacs lala lall lalo laos lasa laso lass lbcc lbos lbsc lcac lcbc lcca lccc lccs lcls lcsc llao llbs llcc llcs lllc llll lloa lloc lloo loac loas lob- loba lobb lobo lobs loca locc loco locs lola loll lolo lols loob looc lool loos losa losc loso loss lscb lsco lscs lsla lssa lsso oall oasc oasl oass obal obas obba obbo obla obls obol obos obss ocab ocac ocal ocas ocbc occa occc oclc ocos ocsa olac olas olba olbo olca olcc olla ollo olos ooaa ooba oola oolo oooo ooos oosa osas osba osca oscc oscl osco osla oslo osoo osos ossa ossb osso s-os sa-c saab saac saal saas saba sabb sabc sabo sabs saca sacc saco sacs sala salc sall salo sals saol saos sasa sasc sasl saso sass sbaa sbac sbas sbbs sbca sbcc sbcs sbsa scaa scab scac scal scas scba sccc sccl sccs scl- sclc scls scob scol scoo scsa scsc scsl scso slaa slab slac slas slcc slob sloc sloo slos slsa slsc soal soas soba sobo sobs soca socl soco socs sola soll solo sols sool soos sosa soso soss ssaa ssab ssac ssao ssas ssca sscc sscs ssla sslc ssoc sssa sssb sssc ssss

-aaa- aaaas aaaoc aaasa aaass aabaa aabba aacbc aacos aacsa aacsb aacsl aacss abaab ababa ababs abaca abaco abacs abala aball abalo abasa abass abbac abbas abbos abcas abccc aboab abobl abobo abols aboso absol acaca acacb acala acall acass accas aclla acoal acool acoss alaba alaca alala alaol alasa alass albac albal albas albo- albos alco- alcoa alcos allal allas allbo allo- alloa alloo allos allso allss aloba aloos alosa aloss alsab alsob alsos aoos asaba asabc asaco asala asall asasa asbca asbos ascao asco- aslab asocs asola asolo asosa assab assac assal assas assoa assoc assol assos b-cas baalc baals babas babbs babol baboo babos bacab bacao bacas bacca bacco bacos balac balal balao balas balbo balca balco balla ballo balls baloo balsa basab basal basca basco baso- bassa basso bball bccsl blaas blabs blaca blacc blass blobs blocs bloso bloss bo-bo boaco bobac bobal bobla boboc bobos bocac bocal bocao bocas bocca bocoa bocsa bolas bolca boll- bolla bollo bolls bolos bolsa booba boobs booco boola bools boosa bosal bosas bosco boscs bossa bosso bsaba bscco c-a-c ca-ca caaba cabal cabas cabob caboc cabos cacao cacas cacls caco- cacoa cacso calao calas calc- calca calco calcs calla callb calls calo- calso caoba casal casas casca casco casla casos casso ccass ccccc cccsl claas clacl claco clacs clasa class clobs clola cloob cloos closo closs co-bo co-co coala coals cobas cobbs cobla cobol cocao cocas cocc- cocco cocoa cocol