a-a a-b a-i a-t aaa aab aad aag aai aas aat ab- aba abb abd abg abi abs abt ad- ada adb add adg adi ads adt ag- aga agb agd agg agi ags agt ai- aia aib aid aig aii ais ait as- asa asb asd asg asi ass ast at- ata atb atd atg ati ats att baa bab bad bag bai bas bat bba bbb bbd bbg bbi bbs bbt bda bdb bdd bdg bdi bds bdt bga bgb bgd bgg bgi bgs bgt bi- bia bib bid big bii bis bit bsa bsb bsd bsg bsi bss bst bta btb btd btg bti bts btt daa dab dad dag dai das dat dba dbb dbd dbg dbi dbs dbt dda ddb ddd ddg ddi dds ddt dga dgd dgg dgi dgs dgt di- dia dib did dig dii dis dit dsa dsb dsd dsg dsi dss dst dta dtb dtd dtg dti dts dtt g-d gaa gab gad gag gai gas gat gba gbd gbg gbi gbs gbt gda gdb gdd gdi gds gdt gga ggb ggd ggg ggi ggs ggt gia gib gid gig gii gis git gsa gsb gsd gsg gsi gss gst gta gtb gtd gtg gti gts gtt i-d ia- iaa iab iad iag iai ias iat iba ibb ibd ibg ibi ibs ibt ida idb idd idg idi ids idt iga igb igd igg igi igs igt iia iib iid iii iis iit is- isa isb isd isg isi iss ist ita itb itd itg iti its itt saa sab sad sag sai sas sat sba sbb sbd sbg sbi sbs sbt sda sdb sdd sdg sdi sds sdt sga sgb sgd sgg sgi sgs sgt sia sib sid sig sii sis sit ss- ssa ssb ssd ssg ssi sss sst sta stb std stg sti sts stt taa tab tad tag tai tas tat tba tbb tbd tbg tbi tbs tbt tda tdb tdd tdg tdi tds tdt tga tgb tgg tgi tgs tgt tia tib tid tig tii tis tit tsa tsb tsd tsg tsi tss tst tta ttb ttd ttg tti tts ttt

a-ii aaaa aaab aaad aaai aaas aaba aabb aabd aabi aabt aada aadi aads aadt aaib aaii aais aasa aasd aasi aass aast aata aatt abaa abab abad abag abai abas abat abb- abba abbb abbi abbs abbt abda abdi abgd abia abib abid abig abis abit abs- absa absd absi abss abta abts adaa adab adad adag adai adas adat adba adbi adda addd addi adds adgs adia adib adig adis adit adsa adsi adss adst adta adts agad agag agai agas agat agba agda agga aggi agia agib agid agig agii agis agit agsa agsg agst agta agts aiai aias aiba aida aidb aidi aids aidt aiga aiia aiib aiid aisa aisb aisd aisg aisi aist aita aiti aits aitt asaa asab asad asag asai asas asat asba asda asds asgd asgt asia asii asis asit assa assd assi asss asst asta astb asti asts at-t ataa atab atad atai atas atat atbs atdi atdt atia atid atis atit atsb atsi atst atta atti atts ba-i baaa baad baas baat baba babb babi babs bada badb badd badi bads baga bagg bagi bags bagt baia baib baid baig bais bait basa basi bass bast bata bati bats batt bbad bbas bbbb bbbs bbdd bbga bdii bdsd bggs bgia bgst biad bias biat biba bibb bibi bibs bida bidi bids biga bigb bigd bigg bigs bigt biis bis- bisa bisd biss bist bita bitd bits bitt bsaa bsas bsat bsbd bsgs bssd bsts btaa btdt btss bttb daab daad daag daas daba dabb dabs dabt dada dadi dads daga dagg dagi dags daia daid daig dais dait dasa dasb dasd dasi dass dast data dati dats datt dbag dbas dbit dbsa dbss dbtt dddd ddss ddts dgia dgsb dgsi dia- diab diad diag dias diat diba dibb dibs dida didi dids diga digg digi digs diii diis dis- disa disd disg disi diss dist dita diti dits ditt dsba dsda dssa dssi dsst dsts dtaa dtss gaas gaba gabb gabi gabs gabt gada gadd gadi gads gaga gagg gagi gags gaia gaid gaig gais gait gasa gasb gasi gass gast gata gati gats gatt gbag gbas gbbs gddb ggbt gggg ggss giaa giad giai gias giat giba gibb gibs gida gidd gidi gids giga gigg gigi gigs giis gisa gisd giss gist gita gits gsab gsat gsds gsis gtaa gtta iaaa iaai iaas iaat iaba iadb iadt iags iaia iais iasa iasi iata iati ibad ibas ibat ibga ibia ibid ibis ibsa ibss ibtb ibts idad idas idat idda idia idid idig idis idsa idss idta idts igad igas igba igga iggs igia igis iias iida iiii iiis iiit iisd iisi iist iita iitt is-a isad isai isas isat isba isbd isbt isda isdb isds isia isis isit issa issi isss ista istd isti ists itaa itai itas itat itbs itgs itia itis itsa itsi itta s-ib s-ii saab saad saag saas saat saba sabb sabi sabs sada sadb sadd sadi sads sadt saga sagg sagi sags sagt saia said sais sait sasa sasd sasi sass sast sata satb satd satg sati sats satt sbaa sbai sbas sbbs sbds sbia sbig sbsa sbsd sbsi sbst sdba sdds sdgs sdib sdss sgaa sggg sggs sgsd sgss sgta sgts siaa siab siag siai sias siat siba sibi sibs sida sidd sidi sids siga sigd sigg sigi sigs siit sisa sisd sisi siss sist sit- sita sitd siti sits sitt ssaa ssab ssas ssat ssdd ssgs ssgt ssid ssis ssit sssa sssb sssi ssss ssta sstb sstd ssts stab stad stag stai stas stat stbd stbs stds stia stib stid stig stis stit stsi stss sttd taa- taag taas taat taba tabb tabi tabs tada tadg tads taga tagg tagi tags taia taig tais tait tasa tasb tasi tass tast tata tatb tati tats tatt tbas tbbs tbgs tbit tbst tbta tddb tdis tdss tgts tiaa tiab