-al -ol a-a a-b a-c aaa aab aac aal aan aao aas ab- aba abb abc abl abn abo abs ac- aca acb acc acl acn aco acs al- ala alb alc all aln alo als an- ana anb anc anl ann ano ans aoa aob aoc aol aon aoo aos as- asa asb asc asl asn aso ass baa bab bac bal ban bao bas bba bbb bbc bbl bbn bbo bbs bca bcb bcc bcl bcn bco bcs bla blb blc bll bln blo bls bna bnb bnc bnl bnn bno bns boa bob boc bol bon boo bos bsa bsb bsc bsl bsn bso bss c-- caa cab cac cal can cao cas cba cbb cbc cbl cbn cbo cbs cca ccb ccc ccl ccn cco ccs cl- cla clb clc cll cln clo cls cn- cna cnb cnc cnl cnn cno cns co- coa cob coc col con coo cos csa csb csc csl csn cso css la- laa lab lac lal lan lao las lba lbb lbc lbl lbo lbs lca lcb lcc lcl lcn lco lcs lla llb llc lll lln llo lls lna lnb lnc lnl lnn lno lns loa lob loc lol lon loo los lsa lsb lsc lsl lsn lso lss naa nab nac nal nan nao nas nba nbb nbc nbl nbn nbo nbs nca ncb ncc ncl ncn nco ncs nla nlb nlc nll nln nlo nls nna nnb nnc nnl nnn nno nns no- noa nob noc nol non noo nos nsa nsb nsc nsl nsn nso nss oaa oab oac oal oan oao oas ob- oba obb obc obl obn obo obs oc- oca ocb occ ocl ocn oco ocs ola olb olc oll oln olo ols on- ona onb onc onl onn ono ons oo- ooa oob ooc ool oon ooo oos os- osa osb osc osl osn oso oss saa sab sac sal san sao sas sba sbb sbc sbl sbn sbo sbs sca scb scc scl scn sco scs sla slb slc sll sln slo sls sna snb snc snl snn sno sns soa sob soc sol son soo sos ss- ssa ssb ssc ssl ssn sso sss

-ana aaaa aaab aaac aaal aaan aaas aaba aabb aabc aabl aaca aacb aacc aacl aacn aaco aacs aala aalc aall aalo aals aana aaon aaoo aasa aasc aass abaa abab abac abal aban abas abb- abba abbb abbo abbs abca abcb abcc abcl abcn abcs abla ablo abls aboa abob abol abon aboo abos abs- absa absl abss acaa acab acac acan acas acba acbl acca accc acco accs acla aclc acls acoa acol acon acos acsa acsc acsl acss alaa alac alal alan alao alas alb- alba albc albo albs alca alcc alco alcs all- alla alll alln allo alls alna aloa aloc alol alon aloo alos alsa alsc alsn also ana- anaa anab anac anal anan anao anas anba anbb anbl anbo anca ancc anco anla anlc anln anlo anna annb anno anns ano- anoa anon anos ansa anso aoba aoca aocs aola aonb aono aoss asaa asab asac asal asan asao asas asba asbo asc- asca ascb ascc ascl asco asla aslo asnc asnl asno asob asoc ason asos assa assc assl assn asso asss baaa baal baan baas baba babb babo babs bac- baca bacc bacn baco bacs bala balc ball balo bals bana banc bann bano bans baol baon baos basa basc baso bass bbas bbbb bbbs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcos bcsa bcsc bcsl bcsn bcss blaa blab blac blan blas blls blno blob bloc blon bloo blss bnas bnoc bnss boab boac boal boan boas boba bobb bobo bobs boca boco bocs bola boll boln bolo bols bona bonc bonn bono bons boob booc bool boon boos bosa bosc bosn boso boss bsaa bsac bsas bscs bslc bsns bson bsos bssc c-bo caaa caab caac caal caan caas caba cabo cabs cac- caca cacc caco cala calc call calo cals cana canc cann cano cans caol caos casa casb casc casl caso cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcn cbcs cblb cblc cbln cbna cbol cbsa cbsc cbsn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccl cccs ccla cclc ccls ccna ccnb ccnc ccns ccob ccoc ccsa ccsl ccsn ccss clab clan clas clob clon cloo clos clsa clsc cnaa cnac cnas cnbc cnbl cnco cnna cnsa cnsl cnss coal coan coas coba cobb cobo cobs coca coco col- cola colb coll coln colo cols con- cona conc conn cono cons coob cool coon coos cosa cosc cosl coso coss csaa csab csac csao csas cscb cscc cscl csco cscs csla csob csos cssa laaa laac laal laan laas laba labo labs laca lacc lacl laco lacs lala lall lalo lan- lana lanc lann lano lans laon laos lasa laso lass lbcc lbos lbsc lcac lcbc lcca lccc lccs lcls lcsc llan llao llbs llcc llcs lllc llll lloa lloc lloo lnso loac loan loas lob- loba lobb lobo lobs loca locc locn loco locs lola loll lolo lols lona lono lons loob looc lool loon loos losa losc loso loss lscb lsco lscs lsla lson lssa lsso naaa naab naac naal naan naas naba nabc nabl nabo nabs naca nacc nacl naco nacs nala nalc nall nals nan- nana nanb nann nano nans naoc naos nas- nasa nasb nasc nasl naso nass nbaa nbas nbbc nbbo nbca nbcc nbco nbcs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs nclc ncln ncna ncnc ncoa ncoc ncos ncsa ncsc ncsl ncss nlab nlcc nlcs nlls nlsc nnls nnnn nnos nnsa nnsl nnss noaa noac noal noba nobc nobo nobs nocl noco nocs nola noll nolo nols non- nona nonn nono nons noo- noob nool noon nooo noos nos- nosa noss nsaa nsac nsbo nsca nscc nscl nscs nsla nsls nsna nsos nssa nssb nssc nsso nsss oall oasc oasl oass obal oban obas obba obbo obla obls