a-a a-b a-t aaa aab aae aak aao aas aat ab- aba abb abe abk abo abs abt aea aeb aee aek aeo aes aet aka akb ake akk ako aks aoa aob aoe aok aoo aos aot as- asa asb ase ask aso ass ast at- ata atb ate ato ats att baa bab bae bak bao bas bat bba bbb bbe bbk bbo bbs bbt be- bea beb bee bek beo bes bet bka bkb bke bkk bko bks bkt boa bob boe bok boo bos bot bsa bsb bse bsk bso bss bst bta btb bte btk bto bts btt eaa eab eae eak eao eas eat eba ebb ebe ebk ebo ebs ebt eea eeb eee eek eeo ees eet eka ekb eke eko eks ekt eo- eoa eob eoe eok eoo eos eot es- esa esb ese esk eso ess est eta etb ete etk eto ets ett k-t ka- kaa kab kae kak kao kas kat kba kbb kbe kbk kbo kbs ke- kea keb kee kek keo kes ket kkb kke kkk kks kkt koa kob koe kok koo kos kot ksa ksb kse ksk kso kss kst kta ktb kte ktk kto kts ktt oaa oab oae oak oao oas oat ob- oba obb obe obk obo obs obt oea oeb oee oeo oes oet oka okb oke okk oko oks oo- ooa oob ook ooo oos oot os- osa osb ose osk oso oss ost ot- ota otb ote otk oto ots ott saa sab sae sak sao sas sat sba sbb sbe sbk sbo sbs sbt se- sea seb see sek seo ses set sk- ska skb ske skk sko sks skt soa sob soe sok soo sos sot ss- ssa ssb sse ssk sso sss sst sta stb ste stk sto sts stt taa tab tae tak tao tas tat tba tbb tbe tbk tbo tbs tbt te- tea teb tee tek teo tes tet tka tkb tke tkk tko tks tkt to- toa tob toe tok too tos tot tsa tsb tse tsk tso tss tst tta ttb tte ttk tto tts ttt

-ase -ose a-ak a-be a-ok aaaa aaab aaae aaas aaba aabb aabt aaea aaes aaka aake aaoe aaoo aasa aase aass aast aata aatk aatt abaa abab abae abak abas abat abb- abba abbb abbe abbo abbs abbt abee abes abet aboa abob abok aboo abos abot abs- absa abse abss abta abts aeas aebs aeka aess aest aeta aeto aett akaa akae akao akas akee akes akka akko akok akos akot aksa akst akte aoba aoks aoss asaa asab asae asak asao asas asat asba asbo asea asee asek ases aset aska aske asko asks askt asob asok asos asot assa asse assk asso asss asst asta astb aste asto asts at-t ataa atab atae atak atas atat atbs atea atee ateo ates atka atkt atob atoe atok atos atot atsb atse atst atta atte atto atts baaa baak baas baat baba babb babe babo babs baek baes bak- baka bake bako baks bakt baos basa base bask baso bass bast bata bate bato bats batt bbas bbbb bbbs bbeb bbet beak beas beat beba bebb bebe bebo beeb beek bees beet beka beke beko beks beo- beok beos beot bes- besa bese besk beso bess best beta bete beto bets bett boab boak boas boat boba bobb bobe bobo bobs boea boee boeo boes boet boka boke boko boks boob booe book boos boot bosa bose bosk boso boss bost bota botb bote boto bots bott bsaa bsas bsat bsea bseb bsee bses bset bskt bsos bsse bsts btaa btek btob btss bttb eaba easa ease easo east eata eate eats ebba ebbo ebbs ebes eboe eboo ebos ebsa eeea eeee eees eeka eeke eeks eese eesk eeta eete eets eka- ekab ekeb ekek ekes eket ekka ekoa ekos ekta eoes eoka eost eota eoto eots esab esas esat esba esbo esbs esea esee esek eseo eses eset eska eske esko esks eso- esok esos essa esse esso esst esta este esto ests etak etas etat etee etes etka etoe etok etos etta ette etto k-os kaaa kaab kaak kaas kaat kaba kabb kabe kabo kaeo kaes kaet kaka kake kakk kako kaks kakt kaoa kaok kaos kas- kasa kasb kase kask kaso kass kast kat- kata katb kate katk kato kats katt kbaa kbab kbae kbak kbas kbat kbba kbbb kbbe kbbk kbbo kbbs kbbt kbeb kbee kbek kbeo kbes kbet kbkb kbkk kbko kboa kbob kboe kbok kboo kbos kbot kbsa kbsb kbsk kbso kbss kbst kbta kbtb kbte kbtk kbto kbts kbtt kea- keak keas keat keba kebb kebe kebt keek kees keet keka kekb keke keko keks keok keos kesa kesb kesk keso kess kest ket- keta kete ketk keto kets kett kkaa kkat kkba kkbb kkbe kkbo kkbs kkbt kkea kkkk kkoa kkob kkoo kkot kksa kkse kkss kkst kktk kkts koab koae koak koas koba kobb kobe kobk kobo kobs koea koes koka kokb koke kokk koko koks koob kook kooo koos koot kos- kosa kosb kose koso koss kost kota kotb kote kotk koto kots kott ksab ksak ksas ksat ksba ksbs ksea ksee ksek kseo kset kska kskb kske kskk ksko ksks ksob ksok ksoo ksos kssa ksse ksso ksss ksst ksta kstb kste kstk ksto ksts kstt ktaa ktae ktak ktao ktas ktat ktba ktbb ktbt ktea ktee ktek ktkb ktke ktkk ktko ktks ktkt ktob ktoe ktok ktoo ktot ktsa ktso ktst kttk ktto ktts kttt o-eo oaes oake oaks oase oass oast oate oats obak obas obba obbo obea obes obet obkb oboe obok obos obot obss obst obts oese oest oeta okak okas okes oket okka okko okok okot oksa okso okta okto ooaa ooak ooba oobe ooes oooo ooos oosa oose oost ootb oots osak osas osat osba osbe osea osee osek oses oset osoo osos ossa ossb osse osso osta oste osts otak otas otbs otea otee otes oto-