-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 osco osha oshc osho oshs osno osoo osos ossa ossb osso s-os sa-c saab saac saah saan saas saba sabb sabc sabo sabs saca sacc sacn saco sacs saha sahn saho sahs sana sann sano sans saon saos sasa sasc sash saso sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhs sbsa scaa scab scac scan scas scba sccc sccs sch- scha schh scho schs scna scob scoh scon scoo scsa scsc scsh scsn scso shab shac shah shan shao shas shbs shca shcc shha shhh shhs shoa shon shoo shos shsc snab snas snba snca sncc snco snhs snns snoa snob snoc snoo snos soan soas soba sobo sobs soca soch soco socs soha sohh sohn soho sohs son- sona sono sons soon soos sosa sosh soso soss ssaa ssab ssac ssan ssao ssas ssbn ssca sscc sscs sshs ssns ssoc sssa sssb sssc sssh ssss