a-a a-b a-i a-t aaa aab aae aaf aai aas aat ab- aba abb abe abf abi abs abt aea aeb aee aef aei aes aet af- afa afb afe aff afi afs aft ai- aia aib aie aif aii ais ait as- asa asb ase asf asi ass ast at- ata atb ate atf ati ats att baa bab bae baf bai bas bat bba bbb bbe bbf bbi bbs bbt be- bea beb bee bef bei bes bet bfa bfb bfe bff bfi bfs bft bi- bia bib bie bif bii bis bit bsa bsb bse bsf bsi bss bst bta btb bte btf bti bts btt eaa eab eae eaf eai eas eat eba ebb ebe ebf ebi ebs ebt eea eeb eee eef ees eet ef- efa efb efe eff efi efs eft eia eib eie eif eii eis eit es- esa esb ese esf esi ess est eta etb ete etf eti ets ett faa fab fae faf fai fas fat fba fbb fbe fbf fbi fbs fbt fea feb fee fef fei fes fet ffa ffe fff ffi ffs fft fia fib fie fif fii fis fit fsa fsb fse fsf fsi fss fst fta ftb fte ftf fti fts ftt i-f ia- iaa iab iae iaf iai ias iat iba ibb ibe ibf ibi ibs ibt ie- iea iee ief iei ies iet ifa ifb ife iff ifi ifs ift iia iib iie iif iii iis iit is- isa isb ise isf isi iss ist ita itb ite itf iti its itt saa sab sae saf sai sas sat sba sbb sbe sbf sbi sbs sbt se- sea seb see sef sei ses set sfa sfb sfe sff sfi sfs sft sia sib sie sif sii sis sit ss- ssa ssb sse ssf ssi sss sst sta stb ste stf sti sts stt taa tab tae taf tai tas tat tba tbb tbe tbf tbi tbs tbt te- tea teb tee tef tei tes tet tfa tfb tfe tff tfi tfs tft tia tib tie tif tii tis tit tsa tsb tse tsf tsi tss tst tta ttb tte ttf tti tts ttt

-ase a-be a-ii aaaa aaab aaae aaaf aaai aaas aaba aabb aabi aabt aaea aaes aafa aafb aaff aafi aaib aaii aais aasa aase aasf aasi aass aast aata aatf aatt abaa abab abae abaf abai abas abat abb- abba abbb abbe abbi abbs abbt abee abes abet abff abia abib abie abis abit abs- absa abse absf absi abss abta abts aeaf aeas aebi aebs aeit aess aest aeta aetf aett afaa afat afbs afee afes afet affa affi affs afft afia afib afif afis afit afsa afsb afst afta afte afts aiai aias aiba aiea aiee aiet aiff aifs aiia aiib aisa aisb aise aisi aist aita aite aitf aiti aits aitt asaa asab asae asaf asai asas asat asba asea asee ases aset asfa asfi asia asie asif asii asis asit assa asse assi asss asst asta astb aste asti asts at-t ataa atab atae atai atas atat atbs atea atee atef atei ates atfb atfe atfs atia atie atif atis atit atsb atse atsi atst atta atte atti atts ba-i baaa baaf baas baat baba babb babe babi babs baes baff baft baia baib baie bais bait basa base basf basi bass bast bata bate batf bati bats batt bbas bbbb bbbs bbeb bbet beaf beas beat beba bebb bebe bebi beeb beef bees beet befa befe beff beft beia beis beit bes- besa bese bess best beta bete beti bets bett bfas bffs bfsi bfta bfts bftt biaf bias biat biba bibb bibe bibi bibs bieb bief bies biet bifa biff bifi biis bis- bisa bise biss bist bita bite bits bitt bsaa bsas bsat bsea bseb bsee bses bset bsfa bsff bsfs bsse bsts btaa btaf btie btss bttb eaaf eaba eafb eaif easa ease easi east eata eate eati eats ebba ebbs ebes ebis ebit ebsa eeea eeee eees eefa eefe eese eesi eeta eete eets efab efas efes efet effa effi effs efit efsa efsi eft- efta efts eiei eies eifs eisa eise eiss eist eita eitb eiti esab esai esas esat esba esbs esea esee eses eset esfs esie esis esit essa esse essi esst esta este ests etai etas etat etee etes etfa etfb etfe etsi etta ette etti faaa faas faba fabe fabi fabs faeb faes fafa fafe faff fafi faie fais fait fasa fase fasi fass fast fata fate fatf fati fats fatt fbis feaf feas feat feba febs feeb fees feet fefe feff fefi feia feie feis feit fesa fese fess fest feta fete feti fets fett ffee ffff ffii ffsa ffss fftf fiaa fiaf fias fiat fiba fibe fibs fief fies fifa fife fiff fifi fift fiii fisa fise fisi fiss fist fita fite fiti fits fitt fsai fsas fsfi fsia fssa fssf fsta ftea ftii ftsa ftse i-be iaaa iaai iaas iaat iaba iaea iafe iaff iaia iais iasa iasi iata iate iati ibas ibat ibea ibes ibet ibfi ibia ibie ibis ibsa ibsf ibss ibtb ibts ieat ieet ieie iesa iesi iest ieta ietf iett ifaa ifae ifas ifat ifbb ifes ifis ifit ifsa ifsb ifta iias iies iifa iiie iiii iiis iiit iisi iist iita iitt is-a isae isaf isai isas isat isba isbe isbt isea iseb isee ises iset isfa isia isie isis isit issa isse issf issi isss ista iste isti ists itaa itaf itai itas itat itbe itbs itea ites itet itfa itia itie itif itis itsa itse itsf itsi itta ittf s-ib s-ii saab saae saaf saas saat saba sabb sabe sabi sabs saeb saes safa safb safe saff safi saft saia saie saif sais sait sasa sase sasf sasi sass sast sata satb sate sati sats satt sbaa sbai sbas sbbs sbef sbia sbsa sbse sbsi sbst se-e se-f se-i se-s se-t seaa seab seaf seas seat seba sebe sebi sebs sebt seea seeb seef sees seet sefa