a-a a-b a-t aaa aab aae aag aak aas aat ab- aba abb abe abg abk abs abt aea aeb aee aeg aek aes aet ag- aga agb age agg agk ags agt aka akb ake akg akk aks as- asa asb ase asg ask ass ast at- ata atb ate atg ats att baa bab bae bag bak bas bat bba bbb bbe bbg bbk bbs bbt be- bea beb bee beg bek bes bet bga bgb bge bgg bgk bgs bgt bka bkb bke bkg bkk bks bkt bsa bsb bse bsg bsk bss bst bta btb bte btg btk bts btt eaa eab eae eag eak eas eat eba ebb ebe ebg ebk ebs ebt eea eeb eee eeg eek ees eet ega egb ege egg egs egt eka ekb eke ekg eks ekt es- esa esb ese esg esk ess est eta etb ete etg etk ets ett gaa gab gae gag gak gas gat gba gbe gbg gbk gbs gbt ge- gea geb gee geg gek ges get gga ggb ggg ggs ggt gka gkb gks gkt gsa gsb gse gsg gsk gss gst gta gtb gte gtg gtk gts gtt k-t ka- kaa kab kae kag kak kas kat kba kbb kbe kbk kbs ke- kea keb kee keg kek kes ket kga kgb kgs kkb kke kkk kks kkt ksa ksb kse ksg ksk kss kst kta ktb kte ktg ktk kts ktt saa sab sae sag sak sas sat sba sbb sbe sbg sbk sbs sbt se- sea seb see seg sek ses set sga sgb sge sgg sgk sgs sgt sk- ska skb ske skg skk sks skt ss- ssa ssb sse ssg ssk sss sst sta stb ste stg stk sts stt taa tab tae tag tak tas tat tba tbb tbe tbg tbk tbs tbt te- tea teb tee teg tek tes tet tga tgb tge tgg tgk tgs tgt tka tkb tke tkg tkk tks tkt tsa tsb tse tsg tsk tss tst tta ttb tte ttg ttk tts ttt

-ase a-ak a-be aaaa aaab aaae aaas aaba aabb aabt aaea aaes aage aaka aake aasa aase aass aast aata aatk aatt abaa abab abae abag abak abas abat abb- abba abbb abbe abbs abbt abee abes abet abs- absa abse abss abta abts aeas aebs aega aeka aess aest aeta aett agag agas agat agba agea agee ages aget agga agge agsa agsg agst agta agte agts akaa akae akas akee akeg akes akka aksa akst akte asaa asab asae asag asak asas asat asba asea asee asek ases aset asge asgt aska aske asks askt assa asse assk asss asst asta astb aste asts at-t ataa atab atae atak atas atat atbs atea atee ates atka atkt atsb atse atst atta atte atts baaa baak baas baat baba babb babe babs baek baes baga bage bagg bags bagt bak- baka bake baks bakt basa base bask bass bast bata bate bats batt bbas bbbb bbbs bbeb bbet bbga beag beak beas beat beba bebb bebe beeb beeg beek bees beet bega begg begs beka beke beks bes- besa bese besk bess best beta bete bets bett bggs bgst bsaa bsas bsat bsea bseb bsee bseg bses bset bsgs bskt bsse bsts btaa btek btss bttb eaba eaga eage easa ease east eata eate eats ebba ebbs ebes ebsa eeea eeee eees eega eegs eeka eeke eeks eese eesk eeta eete eets egaa egae egas egat egba egbe egea egee eggb egge eggs egks egss egta egte egtk egts eka- ekab ekeb ekek ekes eket ekgs ekka ekta esab esag esas esat esba esbs esea esee esek eses eset eska eske esks essa esse essg esst esta este ests etag etak etas etat etee etes etka etta ette gaas gaba gabb gabe gabs gabt gaea gaes gaga gage gagg gags gasa gasb gase gask gass gast gata gate gats gatt gbag gbas gbbs geab geas geat geba gebe geek gees geet gege gegg gesg gesk gess gest geta getb gete getg getk gets gett ggbt gggg ggss gsab gsat gsea gskb gsse gtaa gtea gtta kaaa kaab kaag kaak kaas kaat kaba kabb kabe kabg kaes kaet kag- kaga kagb kage kagg kags kagt kaka kake kakk kaks kakt kas- kasa kasb kase kask kass kast kat- kata katb kate katg katk kats katt kbaa kbab kbae kbak kbas kbat kbba kbbb kbbe kbbg kbbk kbbs kbbt kbeb kbee kbek kbes kbet kbga kbgb kbge kbgg kbgt kbkb kbkg kbkk kbsa kbsb kbsg kbsk kbss kbst kbta kbtb kbte kbtk kbts kbtt kea- keag keak keas keat keba kebb kebe kebt keek kees keet kega kege kegg kegk kegs keka kekb keke keks kesa kesb kesk kess kest ket- keta kete ketk kets kett kgab kgak kgas kgba kgbb kgbt kgeb kget kgga kggg kgks kgst kgtk kgts kkaa kkag kkat kkba kkbb kkbe kkbg kkbs kkbt kkea kkeg kkgb kkkk kksa kkse kkss kkst kktk kkts ksab ksak ksas ksat ksba ksbs ksea ksee kseg ksek kset ksgg ksgt kska kskb kske kskg kskk ksks kssa ksse ksss ksst ksta kstb kste kstk ksts kstt ktaa ktae ktag ktak ktas ktat ktba ktbb ktbg ktbt ktea ktee kteg ktek ktga ktge ktgg ktgs ktkb ktke ktkk ktks ktkt ktsa ktst kttg kttk ktts kttt saab saae saag saak saas saat saba sabb sabe sabs saeb saek saes saga sage sagg sags sagt saka sakb sake sakk saks sasa sase sask sass sast sata satb sate satg sats satt sbaa sbas sbbs sbsa sbse sbst sbtk se-e se-g se-k se-s se-t seaa seab seak seas seat seba sebe sebs sebt seea seeb seeg seek sees seet sega sege segg segs seka seke sekk sekt sesa sese sess sest set- seta sete sets sett sgaa sges sggg sggs sgss sgta sgts skab skag skat skee skeg skes sket skss ssaa ssab ssas ssat ssee sses sset ssgs ssgt sssa sssb ssss ssta sstb ssts stab stae stag stak