a-a a-b a-t aaa aab aad aae aak aas aat ab- aba abb abd abe abk abs abt ad- ada adb add ade adk ads adt aea aeb aed aee aek aes aet aka akb akd ake akk aks as- asa asb asd ase ask ass ast at- ata atb atd ate ats att baa bab bad bae bak bas bat bba bbb bbd bbe bbk bbs bbt bda bdb bdd bde bdk bds bdt be- bea beb bed bee bek bes bet bka bkb bke bkk bks bkt bsa bsb bsd bse bsk bss bst bta btb btd bte btk bts btt daa dab dad dae dak das dat dba dbb dbd dbe dbk dbs dbt dda ddb ddd dde ddk dds ddt de- dea deb ded dee dek des det dka dkb dke dkk dks dkt dsa dsb dsd dse dsk dss dst dta dtb dtd dte dtk dts dtt eaa eab ead eae eak eas eat eba ebb ebd ebe ebk ebs ebt ed- eda edb edd ede edk eds edt eea eeb eed eee eek ees eet eka ekb ekd eke eks ekt es- esa esb esd ese esk ess est eta etb etd ete etk ets ett k-t ka- kaa kab kad kae kak kas kat kba kbb kbd kbe kbk kbs kda kdb kde kdk kds kdt ke- kea keb ked kee kek kes ket kkb kke kkk kks kkt ksa ksb ksd kse ksk kss kst kta ktb kte ktk kts ktt saa sab sad sae sak sas sat sba sbb sbd sbe sbk sbs sbt sda sdb sdd sde sdk sds sdt se- sea seb sed see sek ses set sk- ska skb skd ske skk sks skt ss- ssa ssb ssd sse ssk sss sst sta stb std ste stk sts stt taa tab tad tae tak tas tat tba tbb tbd tbe tbk tbs tbt tda tdb tdd tde tdk tds tdt te- tea teb ted tee tek tes tet tka tkb tke tkk tks tkt tsa tsb tsd tse tsk tss tst tta ttb ttd tte ttk tts ttt

-ase a-ak a-be aaaa aaab aaad aaae aaas aaba aabb aabd aabt aada aade aads aadt aaea aaes aaka aake aasa aasd aase aass aast aata aatk aatt abaa abab abad abae abak abas abat abb- abba abbb abbe abbs abbt abda abed abee abes abet abs- absa absd abse abss abta abts adaa adab adad adae adak adas adat adba adda addd adde adds adea adeb adee ades adet adsa adss adst adta adts aeas aebs aede aedt aeka aesd aess aest aeta aett akaa akae akas aked akee akes akka aksa akst akte asaa asab asad asae asak asas asat asba asda asde asds asea asee asek ases aset aska aske asks askt assa assd asse assk asss asst asta astb aste asts at-t ataa atab atad atae atak atas atat atbs atdt atea ated atee ates atka atkt atsb atse atst atta atte atts baaa baad baak baas baat baba babb babe babs bada badb badd bade bads baed baek baes bak- baka bake baks bakt basa base bask bass bast bata bate bats batt bbad bbas bbbb bbbs bbdd bbeb bbet bdes bdsd bead beak beas beat beba bebb bebe beda bede beds beeb beed beek bees beet beka beke beks bes- besa bese besk bess best beta bete bets bett bsaa bsas bsat bsbd bsea bseb bsed bsee bses bset bskt bssd bsse bsts btaa btdt btek btss bttb daab daad daae daas daba dabb dabs dabt dada dade dads daeb daka dake daks dasa dasb dasd dase dask dass dast data date dats datt dbas dbsa dbss dbtt dddd ddes ddss ddts dead deae deak deas deba debe debs debt deda dedd dede deeb deed deek dees deet dek- deka deke deks des- desa dese desk dess dest deta dete detk dets dkba dsba dsda dsea dssa dsst dsts dtaa dted dtek dtss eaba eada eadb eadd eads easa ease east eata eate eats ebba ebbs ebed ebes ebsa edad edas edda edde edds ede- edea edes edsa edss edta edts eede eeea eeee eees eeka eeke eeks eese eesk eeta eete eets eka- ekab ekeb eked ekek ekes eket ekka ekta esab esad esas esat esba esbs esda esds esea esee esek eses eset eska eske esks essa esse esst esta estd este ests etak etas etat etds etee etes etka etta ette kaaa kaab kaak kaas kaat kaba kabb kabd kabe kad- kada kadd kade kads kadt kaes kaet kaka kake kakk kaks kakt kas- kasa kasb kase kask kass kast kat- kata katb katd kate katk kats katt kbaa kbab kbad kbae kbak kbas kbat kbba kbbb kbbd kbbe kbbk kbbs kbbt kbdb kbde kbds kbeb kbed kbee kbek kbes kbet kbkb kbkk kbsa kbsb kbsk kbss kbst kbta kbtb kbte kbtk kbts kbtt kdaa kdab kdad kdae kdak kdat kdbb kdbs kddb kddd kddk kdeb kdet kdka kdkb kdkd kdkk kdkt kdsd kdsk kdss kdst kdta kdtd kea- kead keak keas keat keba kebb kebe kebt keda kedb kedd kede keds kedt keed keek kees keet keka kekb keke keks kesa kesb kesd kesk kess kest ket- keta ketd kete ketk kets kett kkaa kkat kkba kkbb kkbd kkbe kkbs kkbt kkda kkdd kkdt kkea kked kkkk kksa kksd kkse kkss kkst kktk kkts ksab ksak ksas ksat ksba ksbs ksdk ksds ksea ksed ksee ksek kset kska kskb kskd kske kskk ksks kssa ksse ksss ksst ksta kstb kste kstk ksts kstt ktaa ktae ktak ktas ktat ktba ktbb ktbt ktdb ktdd ktde ktdk ktea kted ktee ktek ktkb ktke ktkk ktks ktkt ktsa ktsd ktst kttk ktts kttt saab saad saae saak saas saat saba sabb sabe sabs sada sadb sadd sade sads sadt saeb saek saes saka sakb sake sakk saks sasa sasd sase sask sass sast sata satb satd sate sats satt sbaa sbas sbbs sbds sbsa sbsd sbse sbst sbtk sdae sdak sdba sdds sdes