a-a a-b aaa aab aae aaf aak aao aas ab- aba abb abe abf abk abo abs aea aeb aee aef aek aeo aes af- afa afb afe aff afk afo afs aka akb ake akk ako aks aoa aob aoe aof aok aoo aos as- asa asb ase asf ask aso ass baa bab bae baf bak bao bas bba bbb bbe bbf bbk bbo bbs be- bea beb bee bef bek beo bes bfa bfb bfe bff bfo bfs bka bkb bke bkf bkk bko bks boa bob boe bof bok boo bos bsa bsb bse bsf bsk bso bss eaa eab eae eaf eak eao eas eba ebb ebe ebf ebk ebo ebs eea eeb eee eef eek eeo ees ef- efa efb efe eff efo efs eka ekb eke ekf eko eks eo- eoa eob eoe eof eok eoo eos es- esa esb ese esf esk eso ess faa fab fae faf fak fao fas fba fbb fbe fbf fbk fbo fbs fea feb fee fef fek feo fes ffa ffe fff ffk ffo ffs fka fkb fkf fkk foa fob foe fof fok foo fos fsa fsb fse fsf fsk fso fss ka- kaa kab kae kaf kak kao kas kba kbb kbe kbf kbk kbo kbs ke- kea keb kee kef kek keo kes kfa kff kfo kfs kkb kke kkk kks koa kob koe kof kok koo kos ksa ksb kse ksf ksk kso kss oaa oab oae oaf oak oao oas ob- oba obb obe obf obk obo obs oea oeb oee oef oeo oes of- ofa ofb ofe off ofo ofs oka okb oke okk oko oks oo- ooa oob oof ook ooo oos os- osa osb ose osf osk oso oss saa sab sae saf sak sao sas sba sbb sbe sbf sbk sbo sbs se- sea seb see sef sek seo ses sfa sfb sfe sff sfk sfo sfs sk- ska skb ske skf skk sko sks soa sob soe sof sok soo sos ss- ssa ssb sse ssf ssk sso sss

-ase -ose a-ak a-be a-ok aaaa aaab aaae aaaf aaas aaba aabb aaea aaes aafa aafb aaff aaka aake aaoe aaoo aasa aase aasf aass abaa abab abae abaf abak abas abb- abba abbb abbe abbo abbs abee abes abff aboa abob abof abok aboo abos abs- absa abse absf abss aeaf aeas aebs aeka aess afaa afak afao afbs afee afek afes affa affo affs afka afoa afoe afoo afsa afsb akaa akae akao akas akee akes akka akko akok akos aksa aoba aoks aoss asaa asab asae asaf asak asao asas asba asbo asea asee asek ases asfa aska aske asko asks asob asof asok asos assa asse assk asso asss baaa baaf baak baas baba babb babe babo babs baek baes baff bafo bak- baka bake bako baks baos basa base basf bask baso bass bbas bbbb bbbs bbeb beaf beak beas beba bebb bebe bebo beeb beef beek bees befa befe beff befo beka beke beko beks beo- beof beok beos bes- besa bese besk beso bess bfas bffs boab boak boas boba bobb bobe bobo bobs boea boee boef boeo boes bofa bofe boff bofs boka boke boko boks boob booe boof book boos bosa bose bosk boso boss bsaa bsas bsea bseb bsee bses bsfa bsff bsfs bsos bsse eaaf eaba eafb easa ease easo ebba ebbo ebbs ebes eboe eboo ebos ebsa eeea eeee eees eefa eefe eeka eeke eeks eese eesk efab efas efeo efes effa effs efke efsa eka- ekab ekeb ekek ekes ekka ekoa ekos eoes eoka esab esas esba esbo esbs esea esee esek eseo eses esfs eska eske esko esks eso- esok esos essa esse esso f--k faaa faas faba fabe fabo fabs faeb faes fafa fafe faff fafo fake fako fasa fase faso fass feaf feak feas feba febo febs feeb feek fees fefe feff fefo feke feko feof fesa fese fess ffee ffff ffsa ffss fkab foaf foak foba fobs foes fofo foke foof fook foos fosa fosb foso foss fsas fsfo fssa fssf k-os kaaa kaab kaaf kaak kaas kaba kabb kabe kabf kabo kaeo kaes kafa kafe kaff kafs kaka kake kakk kako kaks kaoa kaok kaos kas- kasa kasb kase kasf kask kaso kass kbaa kbab kbae kbak kbas kbba kbbb kbbe kbbf kbbk kbbo kbbs kbeb kbee kbef kbek kbeo kbes kbfb kbff kbfk kbfo kbfs kbkb kbkf kbkk kbko kboa kbob kboe kbok kboo kbos kbsa kbsb kbsk kbso kbss kea- keak keas keba kebb kebe keef keek kees kefa kefb keff kefs keka kekb keke keko keks keok keos kesa kesb kesk keso kess kfab kfbk kfeb kffa kffb kfff kffk kfka kfkb kfok kfoo kfsa kfse kfsk kkaa kkba kkbb kkbe kkbo kkbs kkea kkfs kkkk kkoa kkob kkoo kksa kkse kksf kkss koab koae koak koas koba kobb kobe kobk kobo kobs koea koes kofa kofe koff kofk kofo koka kokb koke kokf kokk koko koks koob kook kooo koos kos- kosa kosb kose kosf koso koss ksab ksaf ksak ksas ksba ksbs ksea ksee ksek kseo ksfa ksfb ksfe ksfo kska kskb kske kskf kskk ksko ksks ksob ksof ksok ksoo ksos kssa ksse ksso ksss o-eo oaes oafo oafs oake oaks oase oass obak obas obba obbo obea obes obkb oboe obok obos obss oese ofas ofek off- offa offe offo offs okak okas okes okka okko okok oksa okso ooaa ooak ooba oobe ooes ooff oofs oooo ooos oosa oose osaf osak osas osba osbe osea osee osek oses osfa osoo osos ossa ossb osse osso s-os saab saae saaf saak saas saba sabb sabe sabo sabs saeb saek saes safa safb safe saff safo saka sakb sake sakk sako saks saos sasa sase sasf sask saso sass sbaa sbas sbbs sbef sbsa sbse se-e se-f se-k se-o se-s seaa seab seaf seak seas seba sebe sebo sebs seea seeb seef seek sees sefa seff seka seke sekk seko seok sesa sese