a-a a-b a-c aaa aab aac aah aan aao aas ab- aba abb abc abh abn abo abs ac- aca acb acc ach acn aco acs aha ahb ahc ahh ahn aho ahs an- ana anb anc anh ann ano ans aoa aob aoc aoh aon aoo aos as- asa asb asc ash asn aso ass baa bab bac bah ban bao bas bba bbb bbc bbh bbn bbo bbs bca bcb bcc bch bcn bco bcs bha bhb bhc bhh bho bhs bna bnb bnc bnn bno bns boa bob boc boh bon boo bos bsa bsb bsc bsh bsn bso bss c-- caa cab cac cah can cao cas cba cbb cbc cbh cbn cbo cbs cca ccb ccc cch ccn cco ccs ch- cha chb chc chh chn cho chs cn- cna cnb cnc cnh cnn cno cns co- coa cob coc coh con coo cos csa csb csc csh csn cso css haa hab hac hah han hao has hba hbb hbc hbh hbn hbo hbs hca hcb hcc hch hcn hco hcs hha hhb hhc hhh hhn hho hhs hna hnb hnc hnh hnn hno hns hoa hob hoc hoh hon hoo hos hsa hsb hsc hsh hsn hss naa nab nac nah nan nao nas nba nbb nbc nbn nbo nbs nca ncb ncc nch ncn nco ncs nha nhb nhc nhh nhn nhs nna nnb nnc nnh nnn nno nns no- noa nob noc noh non noo nos nsa nsb nsc nsh nsn nso nss oaa oab oac oah oan oao oas ob- oba obb obc obh obn obo obs oc- oca ocb occ och ocn oco ocs oha ohc ohh ohn oho ohs on- ona onb onc onh onn ono ons oo- ooa oob ooc ooh oon ooo oos os- osa osb osc osh osn oso oss saa sab sac sah san sao sas sba sbb sbc sbh sbn sbo sbs sca scb scc sch scn sco scs sh- sha shb shc shh shn sho shs sna snb snc snn sno sns soa sob soc soh son soo sos ss- ssa ssb ssc ssh ssn sso sss

-ana a-ha aaaa aaab aaac aaah aaan aaas aaba aabb aabc aabh aaca aacb aacc aach aacn aaco aacs aaha aahs aana aaon aaoo aasa aasc aass abaa abab abac aban abas abb- abba abbb abbo abbs abca abcb abcc abch abcn abcs abha abho abhs aboa abob aboh abon aboo abos abs- absa abss acaa acab acac acan acas acba acca accc acch acco accs acha achh acho achs acoa acoh acon acos acsa acsc acss ahab ahac ahah ahas ahha ahhs ahoa ahsa ahso ahss ana- anaa anab anac anah anan anao anas anba anbb anbo anca ancc anco anha anhs anna annb anno anns ano- anoa anon anos ansa anso aoah aoba aoca aocs aonb aono aoss asaa asab asac asah asan asao asas asba asbo asc- asca ascb ascc asch asco asha ashs asnc asno asob asoc ason asos assa assc assh assn asso asss baaa baah baan baas baba babb babo babs bac- baca bacc bach bacn baco bacs baha bahn baho bahs bana banc banh bann bano bans baoh baon baos basa basc bash baso bass bbas bbbb bbbs bbch bbhs bcaa bcas bcbc bcbs bcca bccc bccs bchs bcos bcsa bcsc bcsn bcss bhan bhao bhca bhcc bhhs bnas bnhs bnoc bnss boab boac boan boas boba bobb bobo bobs boca boch boco bocs boha bohn boho bohs bona bonc bonn bono bons boob booc booh boon boos bosa bosc bosh bosn boso boss bsaa bsac bsas bscs bshs bsns bson bsos bssc c-bo caaa caab caac caah caan caas caba cabo cabs cac- caca cacc cach caco caha cahn cahs cana canc canh cann cano cans caos casa casb casc cash caso cass cbac cbbc cbbs cbca cbcc cbcn cbcs cbha cbhs cbna cbsa cbsc cbsn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs ccha cchs ccna ccnb ccnc ccns ccob ccoc ccsa ccsn ccss chaa chab chac chah chan chao chas chca chch chcs chha chhs chnb chnc chno chns choc choh chon choo chos chsc chsh cnaa cnac cnas cnbc cnco cnhs cnna cnoh cnsa cnss coan coas coba cobb cobh cobo cobs coca coch coco coha cohn coho cohs con- cona conc conn cono cons coob cooh coon coos cosa cosc cosh coso coss csaa csab csac csao csas cscb cscc csch csco cscs cshs csob csos cssa haab haan haas haba habo habs haco hacs haha hahn haho hahs hana hanc hann hano hans haon hasa hasc hash hass hbbs hbhs hboc hbos hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcso hcss hhaa hhhh hhhs hncs hnhs hnna hoac hoan hoas hoba hobo hobs hoca hoch hocn hocs hoha hohn hoho hono hons hoon hoos hosa hosh hoss hsac hsas hsbc hscc hscn hshs hsob hson naaa naab naac naan naas naba nabc nabo nabs naca nacc nach naco nacs naha nahs nan- nana nanb nann nano nans naoc naoh naos nas- nasa nasb nasc nash naso nass nbaa nbas nbbc nbbo nbca nbcc nbco nbcs nbhs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs ncha nchc nchs ncna ncnc ncoa ncoc ncos ncsa ncsc ncss nhcc nhhs nhnn nhon nhsc nnhs nnnn nnos nnsa nnss noaa noac noah noba nobc nobo nobs noch noco nocs noha nohn noho nohs non- nona nonn nono nons noo- noob noon nooo noos nos- nosa nosh noss nsaa nsac nsbo nsca nscc nscs nshs nsna nsos nssa nssb nssc nsso nsss oahs oasc oass oban obas obba obbo obhs obon obos obsn obss ocab ocac ocan ocas ocbc occa occc occn ocha ochs ocna ocon ocos ocsa ohan ohba ohcc ohho ohhs ohno ohob ohoh ohos ohso ohss onab onah onan onas onc- onca onco onha onna onno onon onos onsc onso ooaa ooba ooha ooho oohs oona oons oooh oooo ooos oosa osan osas osba osca oscc