-al -ol a-a a-b a-c a-t aaa aab aac aal aan aao aas aat ab- aba abb abc abl abn abo abs abt ac- aca acb acc acl acn aco acs act al- ala alb alc all aln alo als alt an- ana anb anc anl ann ano ans ant aoa aob aoc aol aon aoo aos aot as- asa asb asc asl asn aso ass ast at- ata atb atc atl atn ato ats att baa bab bac bal ban bao bas bat bba bbb bbc bbl bbn bbo bbs bbt bca bcb bcc bcl bcn bco bcs bct bla blb blc bll bln blo bls blt bna bnb bnc bnl bnn bno bns bnt boa bob boc bol bon boo bos bot bsa bsb bsc bsl bsn bso bss bst bta btb btc btl btn bto bts btt c-- caa cab cac cal can cao cas cat cba cbb cbc cbl cbn cbo cbs cbt cca ccb ccc ccl ccn cco ccs cct cl- cla clb clc cll cln clo cls clt cn- cna cnb cnc cnl cnn cno cns cnt co- coa cob coc col con coo cos cot csa csb csc csl csn cso css cst cta ctb ctc ctl ctn cto cts ctt la- laa lab lac lal lan lao las lat lba lbb lbc lbl lbo lbs lbt lca lcb lcc lcl lcn lco lcs lct lla llb llc lll lln llo lls llt lna lnb lnc lnl lnn lno lns lnt loa lob loc lol lon loo los lot lsa lsb lsc lsl lsn lso lss lst lta ltb ltc ltl lto lts ltt naa nab nac nal nan nao nas nat nba nbb nbc nbl nbn nbo nbs nbt nca ncb ncc ncl ncn nco ncs nct nla nlb nlc nll nln nlo nls nlt nna nnb nnc nnl nnn nno nns nnt no- noa nob noc nol non noo nos not nsa nsb nsc nsl nsn nso nss nst nta ntb ntc ntn nto nts ntt oaa oab oac oal oan oao oas oat ob- oba obb obc obl obn obo obs obt oc- oca ocb occ ocl ocn oco ocs oct ola olb olc oll oln olo ols olt on- ona onb onc onl onn ono ons ont oo- ooa oob ooc ool oon ooo oos oot os- osa osb osc osl osn oso oss ost ot- ota otb otc otl otn oto ots ott saa sab sac sal san sao sas sat sba sbb sbc sbl sbn sbo sbs sbt sca scb scc scl scn sco scs sct sla slb slc sll sln slo sls slt sna snb snc snl snn sno sns snt soa sob soc sol son soo sos sot ss- ssa ssb ssc ssl ssn sso sss sst sta stb stc stl stn sto sts stt taa tab tac tal tan tao tas tat tba tbb tbc tbl tbn tbo tbs tbt tca tcb tcc tcl tcn tco tcs tct tla tlc tll tln tlo tls tlt tna tnb tnc tnl tnn tno tns tnt to- toa tob toc tol ton too tos tot tsa tsb tsc tsl tsn tso tss tst tta ttb ttc ttl ttn tto tts ttt

-ana aaaa aaab aaac aaal aaan aaas aaba aabb aabc aabl aabt aaca aacb aacc aacl aacn aaco aacs aact aala aalc aall aalo aals aana aaon aaoo aasa aasc aass aast aata aatc aatt abaa abab abac abal aban abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abcl abcn abcs abct abla ablo abls aboa abob abol abon aboo abos abot abs- absa absl abss abta abts ac-t acaa acab acac acan acas acat acba acbl acca accc acco accs acct acla aclc acls acoa acol acon acos acot acsa acsc acsl acss acst acta actc actl acto acts actt alaa alac alal alan alao alas alat alb- alba albc albo albs alca alcc alco alcs all- alla alll alln allo alls alna aloa aloc alol alon aloo alos alot alsa alsc alsn also alst alta altn alto alts ana- anaa anab anac anal anan anao anas anat anba anbb anbl anbo anca ancc anco anct anla anlc anln anlo anna annb anno anns annt ano- anoa anon anos ansa anso ant- anta antl anto ants antt aoba aoca aocs aola aonb aono aont aoss aotc asaa asab asac asal asan asao asas asat asba asbo asc- asca ascb ascc ascl asco asct asla aslo asnc asnl asno asob asoc ason asos asot assa assc assl assn asso asss asst asta astb astc astl asto asts at-l at-t ataa atab atac atal atan atas atat atbs atca atcc atcl atco atcs atla atlo atls atna atno atns atob atoc atol aton atos atot atsb atsc atst atta attn atto atts baaa baal baan baas baat baba babb babo babs bac- baca bacc bacn baco bacs bact bala balc ball balo bals balt bana banc bann bano bans bant baol baon baos basa basc baso bass bast bata batc batn bato bats batt bbas bbbb bbbs bblb bbls bcaa bcas bcat bcbc bcbs bcca bccc bccl bccs bcos bcsa bcsc bcsl bcsn bcss bctc bcts blaa blab blac blan blas blat blbt blls blno blob bloc blon bloo blot blss blst blts bnas bnoc bnss bnta boab boac boal boan boas boat boba bobb bobo bobs boca boco bocs bola boll boln bolo bols bolt bona bonc bonn bono bons bont boob booc bool boon boos boot bosa bosc bosn boso boss bost bota botb botn boto bots bott bsaa bsac bsas bsat bscs bslc bsns bson bsos bssc bsts btaa btan btcc btcl btcs btla btob btss bttb c-bo caaa caab caac caal caan caas caat caba cabo cabs cac- caca cacc caco cala calc call calo cals calt cana canc cann cano cans cant caol caos casa casb casc casl caso cass cast cat- cata catb catc cato cats catt cbac cbal cbat cbbc cbbs cbca cbcc cbcl cbcn cbcs cbct