a-a a-b a-t aaa aab aad aag aar aat aau ab- aba abb abd abg abr abt abu ad- ada adb add adg adr adt adu ag- aga agb agd agg agr agt agu ar- ara arb ard arg arr art aru at- ata atb atd atg atr att atu au- aua aub aud aug aur aut b-u baa bab bad bag bar bat bau bba bbb bbd bbg bbr bbt bbu bda bdb bdd bdg bdr bdt bdu bga bgb bgd bgg bgr bgt bgu bra brb brd brg brr brt bru bta btb btd btg btr btt btu bua bub bud bug bur but buu daa dab dad dag dar dat dau dba dbb dbd dbg dbr dbt dbu dda ddb ddd ddg ddr ddt ddu dga dgd dgg dgr dgt dgu dra drb drd drg drr drt dru dta dtb dtd dtg dtr dtt dtu dua dub dud dug dur dut g-d gaa gab gad gag gar gat gau gba gbd gbg gbr gbt gbu gda gdb gdd gdr gdt gdu gga ggb ggd ggg ggr ggt ggu gra grb grd grg grr grt gru gta gtb gtd gtg gtr gtt gtu gu- gua gub gud gug gur gut guu ra- raa rab rad rag rar rat rau rba rbb rbd rbg rbr rbt rbu rda rdb rdd rdg rdr rdt rdu rga rgb rgd rgg rgr rgt rra rrb rrd rrg rrr rrt rru rta rtb rtd rtg rtr rtt rtu rua rub rud rug rur rut ruu taa tab tad tag tar tat tau tba tbb tbd tbg tbr tbt tbu tda tdb tdd tdg tdr tdt tdu tga tgb tgg tgr tgt tgu tra trb trd trg trr trt tru tta ttb ttd ttg ttr ttt ttu tua tub tud tug tur tut tuu ua- uaa uab uad uag uar uat uau uba ubb ubg ubr ubt ubu uda udb udd udg udr udt udu uga ugb ugg ugr ugt ugu ur- ura urb urd urg urr urt uru uta utb utd utr utt utu uua uug uur uut uuu

aaaa aaab aaad aaar aaba aabb aabd aabt aada aadt aadu aara aard aart aaru aata aatt abaa abab abad abag abar abat abau abb- abba abbb abbr abbt abda abdu abgd abra abta abtu abua abud abug abut adaa adab adad adag adar adat adba adda addd addr addu adra adta adua adub adur agad agag agar agat agau agba agda agga aggu agra agta agtr agua agur agut arab arad arag arar arat arau arba arda ardu arga argb arr- arra arrg arrr arrt arru arta artr arua arub arud arug arut at-t ataa atab atad atar atat atdt atra atru atta attr attu atua atub atug atur auaa auga aur- aura aurd aut- auug baaa baad baar baat baba babb babr babu bada badb badd badr badu baga bagg bagt bar- bara barb bard barg barr bart baru bata batt batu bau- baud baug baur bbad bbau bbbb bbdd bbga bbrg bd-r brab brad brag brat brau brda brdt brrr brud brug brut btaa btdt btrt bttb buad buar buat buba bubb bubu buda budb budd budg budu buga bugg bur- bura burb burd burg burr burt buru but- buta butt daab daad daag daar daau daba dabb dabt dabu dada dadu daga dagg dagr dagu dara darb dard darg darr dart daru data datr datt datu daub daud daur daut dbag dbar dbtt dddd ddub draa drab drad drag drar drat drau drba drda drra drua drub drug drut druu dtaa duaa duab duad duar duat dub- duba dubb dubu duda dudd dudu duga dugu dura durg durt duru duta duur duut gaar gaba gabb gabr gabt gabu gada gadd gaga gagg gagu gara garb gard garg garr gart gata gatr gatt gaua gaub gaud gaur gaut gbag gddb gdrt ggbt gggg grab grad grat grau grbr grrr grua grub grug grur grut gtaa gtbr gtta guaa guag guar guat guba gubb gubu guda gudu guga gugb gugg gugu gura gurb gurd gurg gurr gurt guru guta gutt gutu raab raad raag raat raba rabb rabu rada radd radr radt radu raga ragg ragu rara rarb rata ratt ratu raua raub raud raut rbbb rbbr rgba rgtr rrad rrat rrrr rtdt ruad ruag ruba rubb rubu ruda rudd ruga rugg rura rurd ruru ruta rutt rutu ruud taa- taag taar taat taba tabb tabu tada tadg taga tagg tagu tara tarb tard targ tarr tart taru tata tatb tatr tatt tatu taua taub taur taut tbar tbrb tbta tddb tdra traa trab trad trag trat trau trra trtr trub trud trug trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tudu tuga tugg tugu tura turb turd turg turr turt turu tuta tutt tutu uart uaru uata uatu uaua ubar ubba ubra ubud udaa udad udar udau udgb udra ugab ugar uggt ugra ugta ugur uguu urad urat urau urba urda urdu urga urgu urra urur urut utau uttu utug uuta uuuu

-aaa- -abad -drag aaarg aaata aabaa aabba aabga aabra aadat aarau abaab ababa ababu abada abaga abara abaru abbad abbar abbat abbud abbur abgar abrad abrar abrud abtaa abtar abuda abura aburr abuta abutt adaba adada adara adata addra addur adgat adrad adrag adrar adrug aduba agada agara agard agata agatu aggag aggar aggat aguar agura ar-ab araat arab- araba arada arara araru arata arbab arbar arbat ardab ardra ardua ardud argud arrau arrgt arrua artag artar artat artur aruaa aruba arura aruru aruta atabu atara ataru atbar atbat atgar atrab attar attra attur atuda atura aubad audad audra audru augur aurad aurar aurat aurra baard baart baata babar babau babra babur babut badar badat badra badur bagad bagag bagar bagda bagga bagra bagru bagua bagud baraa barab barad barag barar barat barba barbu barda bardu barga barra barru barta barua barud barut batab batad batar batat batau batra batta battu batur baura bauru bauta bbart braat brada bradt bradu braga bragb bragg brard bratt bratu