-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aal aao aas aax ab- aba abb abc abi abl abo abs abx ac- aca acb acc aci acl aco acs acx ai- aia aib aic aii ail aio ais aix al- ala alb alc ali all alo als alx aoa aob aoc aoi aol aoo aos aox as- asa asb asc asi asl aso ass asx ax- axa axi axl axo axs axx baa bab bac bai bal bao bas bax bba bbb bbc bbi bbl bbo bbs bbx bca bcb bcc bci bcl bco bcs bcx bi- bia bib bic bii bil bio bis bix bla blb blc bli bll blo bls blx boa bob boc boi bol boo bos box bsa bsb bsc bsi bsl bso bss bsx bxb bxi bxl bxo bxx c-- caa cab cac cai cal cao cas cax cba cbb cbc cbi cbl cbo cbs cbx cca ccb ccc cci ccl cco ccs ccx ci- cia cib cic cii cil cio cis cix cl- cla clb clc cli cll clo cls clx co- coa cob coc coi col coo cos cox csa csb csc csi csl cso css csx cxc cxi cxl cxo cxs cxx ia- iaa iab iac iai ial iao ias iba ibb ibc ibi ibl ibo ibs ibx ica icb icc ici icl ico ics iia iib iic iii iil iio iis iix il- ila ilb ilc ili ill ilo ils ilx io- ioa iob ioc ioi iol ioo ios is- isa isb isc isi isl iso iss ixc ixi ixl la- laa lab lac lai lal lao las lax lba lbb lbc lbi lbl lbo lbs lbx lca lcb lcc lci lcl lco lcs lcx lia lib lic lii lil lio lis lix lla llb llc lli lll llo lls loa lob loc loi lol loo los lox lsa lsb lsc lsi lsl lso lss lxc lxi lxo lxx o-i oaa oab oac oai oal oao oas oax ob- oba obb obc obi obl obo obs obx oc- oca ocb occ oci ocl oco ocs ocx oia oib oic oii oil oio ois ola olb olc oli oll olo ols oo- ooa oob ooc ooi ool ooo oos oox os- osa osb osc osi osl oso oss osx ox- oxa oxb oxc oxi oxo oxx saa sab sac sai sal sao sas sax sba sbb sbc sbi sbl sbo sbs sbx sca scb scc sci scl sco scs scx sia sib sic sii sil sio sis six sla slb slc sli sll slo sls slx soa sob soc soi sol soo sos sox ss- ssa ssb ssc ssi ssl sso sss ssx sxc sxi sxl sxs xaa xac xal xas xbc xbl xbx xcb xci xcl xcx xia xic xii xio xis xix xla xlb xli xls xoa xoc xoi xoo xos xox xsa xsb xsc xsi xsl xss xxi xxl xxo xxx

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 abax 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 abox 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 aixa aixi alaa alac alai alal alao alas alb- alba albc albi albo albs alca alcc alco alcs ali- alia alib alii alil alio alis alix all- alla alli alll allo alls aloa aloc aloi alol aloo alos alsa alsc also alxa aoba aoca aocs aola aoss asaa asab asac asai asal asao asas asba asbo asc- asca ascb ascc asci ascl asco ascx asia asic asii asil asio asis asix asla asli aslo asob asoc asoi asos assa assc assi assl asso asss axal axi- axia axil axis axo- axoa axos axxo ba-i ba-x baaa baal baas baba babb babi babo babs bac- baca bacc baci baco bacs baia baib baic bail baio bais baix bala balc bali ball balo bals baol baos basa basc basi baso bass baxi bbas bbbb bbbs bbci bblb bbls bbox 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 biox bis- bisa bisc bisl biso biss bixa bixi blaa blab blac blas blic blio blis blix 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 boox bosa bosc bosi boso boss boxa bsaa bsac bsas bsci bscs bsic bsix 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 caix cala calc cali call calo cals calx caoi caol caos casa casb casc casi casl caso cass caxa cbac cbal cbax cbbc cbbs cbca cbcc cbcl cbcs cbia cblb cblc cbol cbox cbsa cbsc cbsi cbxa ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccl cccs ccic ccii ccil ccis ccix ccla cclc ccli ccls cclx ccob ccoc ccsa ccsi ccsl ccss ccxi ccxl 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 cixi clab clai clas clib clic clii clio clis clix clob cloo clos clox clsa clsc clxi clxx coai coal coas coax coba cobb cobi cobo cobs coca coco coia coil cois coix col-