a-a a-b a-t aaa aab aad aak aar aas aat aau ab- aba abb abd abk abr abs abt abu ad- ada adb add adk adr ads adt adu aka akb akd akk akr aks aku ar- ara arb ard ark arr ars art aru as- asa asb asd ask asr ass ast asu at- ata atb atd atr ats att atu au- aua aub aud auk aur aus aut b-u baa bab bad bak bar bas bat bau bba bbb bbd bbk bbr bbs bbt bbu bda bdb bdd bdk bdr bds bdt bdu bka bkb bkk bkr bks bkt bra brb brd brk brr brs brt bru bsa bsb bsd bsk bsr bss bst bsu bta btb btd btk btr bts btt btu bua bub bud buk bur bus but buu daa dab dad dak dar das dat dau dba dbb dbd dbk dbr dbs dbt dbu dda ddb ddd ddk ddr dds ddt ddu dka dkb dkk dkr dks dkt dku dra drb drd drk drr drs drt dru dsa dsb dsd dsk dsr dss dst dsu dta dtb dtd dtk dtr dts dtt dtu dua dub dud duk dur dus dut k-t ka- kaa kab kad kak kar kas kat kau kba kbb kbd kbk kbr kbs kbu kda kdb kdk kdr kds kdt kdu kkb kkk kkr kks kkt kku kra krd krk krr krs krt kru ksa ksb ksd ksk ksr kss kst ksu kta ktb ktk ktr kts ktt ktu kub kud kuk kur kus kut kuu ra- raa rab rad rak rar ras rat rau rba rbb rbd rbk rbr rbs rbt rbu rda rdb rdd rdr rds rdt rdu rkb rkk rks rkt rku rra rrb rrd rrk rrr rrs rrt rru rsa rsb rsd rsk rsr rss rst rsu rta rtb rtd rtk rtr rts rtt rtu rua rub rud ruk rur rus rut ruu saa sab sad sak sar sas sat sau sba sbb sbd sbk sbr sbs sbt sbu sda sdb sdd sdk sdr sds sdt sdu sk- ska skb skd skk skr sks skt sku sr- sra srb srd srk srr srs srt ss- ssa ssb ssd ssk ssr sss sst ssu sta stb std stk str sts stt stu sua sub sud suk sur sus sut suu taa tab tad tak tar tas tat tau tba tbb tbd tbk tbr tbs tbt tbu tda tdb tdd tdk tdr tds tdt tdu tka tkb tkk tkr tks tkt tra trb trd trk trr trs trt tru tsa tsb tsd tsk tsr tss tst tsu tta ttb ttd ttk ttr tts ttt ttu tua tub tud tuk tur tus tut tuu ua- uaa uab uad uak uar uas uat uau uba ubb ubk ubr ubs ubt ubu uda udb udd udk udr uds udt udu uka ukb ukk ukr uku ur- ura urb urd urk urr urs urt uru usa usb usd usk usr uss ust usu uta utb utd utk utr uts utt utu uua uur uus uut uuu

a-ak aaaa aaab aaad aaar aaas aaba aabb aabd aabt aada aads aadt aadu aaka aaku aara aard aars aart aaru aasa aasd aass aast aasu aata aatk aatt aaus abaa abab abad abak abar abas abat abau abb- abba abbb abbr abbs abbt abda abdu abra abrs abs- absa absd abss absu abta abts abtu abua abud abuk abus abut adaa adab adad adak adar adas adat adba adda addd addr adds addu adra adrs adsa adsr adss adst adta adts adua adub aduk adur akaa akar akas akka akku akr- akra aksa akst aksu akua arab arad arak arar aras arat arau arba arbs arda ards ardu arka arks arr- arra arrk arrr arrs arrt arru ars- arsa arsd arsk arst arsu arta artr arts arua arub arud arut asaa asab asad asak asar asas asat asau asba asbu asda asds aska askr asks askt asra asrs asru assa assd assk assr asss asst assu asta astb astr asts asub asud asur asus at-t ataa atab atad atak atar atas atat atbs atdt atka atkt atra atrk atru atsb atst atta attr atts attu atua atub atuk atur atus auaa auks aur- aura aurd ausa ausd aust ausu aut- auts baaa baad baak baar baas baat baba babb babr babs babu bada badb badd badr bads badu bak- baka bakr baks bakt baku bar- bara barb bard bark barr bars bart baru basa bask bass bast basu bata bats batt batu bau- baud bauk baur bbad bbas bbau bbbb bbbs bbdd bd-r bdsd brab brad brak bras brat brau brda brds brdt brka brkb brrr brrs brsb brsr brst brud brus brut bsaa bsas bsat bsbd bskt bsra bsrd bssd bsts btaa btdt btrt btss bttb btus buad buar buat buba bubb bubs bubu buda budb budd buds budu buka bukk buku bur- bura burb burd burk burr burs burt buru busa busk buss bust busu but- buta buts butt buus daab daad daar daas daau daba dabb dabs dabt dabu dada dads dadu daka daks daku dara darb dard dark darr dars dart daru dasa dasb dasd dask dass dast data datr dats datt datu daub daud dauk daur daus daut dbar dbas dbrs dbsa dbss dbtt dbus dddd ddss ddts ddub dkba draa drab drad drak drar dras drat drau drba drda drra drrs drsa drua drub druk drus drut druu dsba dsda dsdr dsrr dssa dsst dsts dtaa dtss duaa duab duad duar duas duat dub- duba dubb dubs dubu duda dudd duds dudu duka dukt duku dura durk durt duru dusa dusk dust duta duts duur duut kaaa kaab kaak kaar kaas kaat kaba kabb kabd kabr kabu kad- kada kadd kadr kads kadt kadu kaka kakk kaks kakt kaku kara karb kard kark karr kars kart karu kas- kasa kasb kask kasr kass kast kasu kat- kata katb katd katk katr kats katt katu kau- kaub kaud kauk kaur kaus kbaa kbab kbad kbak kbar kbas kbat kbba kbbb kbbd kbbk