a-a a-b a-t aaa aab aag aao aar aat aau ab- aba abb abg abo abr abt abu ag- aga agb agg ago agr agt agu aoa aob aog aoo aor aot aou ar- ara arb arg aro arr art aru at- ata atb atg ato atr att atu au- aua aub aug auo aur aut b-u baa bab bag bao bar bat bau bba bbb bbg bbo bbr bbt bbu bga bgb bgg bgo bgr bgt bgu boa bob bog boo bor bot bou bra brb brg bro brr brt bru bta btb btg bto btr btt btu bua bub bug buo bur but buu gaa gab gag gao gar gat gau gba gbg gbo gbr gbt gbu gga ggb ggg ggo ggr ggt ggu goa gob gog goo gor got gou gra grb grg gro grr grt gru gta gtb gtg gto gtr gtt gtu gu- gua gub gug guo gur gut guu oaa oab oag oao oar oat oau ob- oba obb obg obo obr obt obu oga ogg ogo ogt oo- ooa oob oog ooo oor oot or- ora orb org oro orr ort oru ot- ota otb otg oto otr ott otu ou- oua ouo our out ra- raa rab rag rao rar rat rau rba rbb rbg rbo rbr rbt rbu rga rgb rgg rgo rgr rgt roa rob rog roo ror rot rou rra rrb rrg rrr rrt rru rta rtb rtg rto rtr rtt rtu rua rub rug ruo rur rut ruu taa tab tag tao tar tat tau tba tbb tbg tbo tbr tbt tbu tga tgb tgg tgo tgr tgt tgu to- toa tob tog too tor tot tou tra trb trg tro trr trt tru tta ttb ttg tto ttr ttt ttu tua tub tug tuo tur tut tuu ua- uaa uab uag uao uar uat uau uba ubb ubg ubo ubr ubt ubu uga ugb ugg ugo ugr ugt ugu uoa uob uog uoo uor uot ur- ura urb urg uro urr urt uru uta utb uto utr utt utu uua uug uur uut uuu

aaaa aaab aaar aaba aabb aabt aaoo aara aaro aart aaru aata aatt abaa abab abag abar abat abau abb- abba abbb abbo abbr abbt aboa abob aboo abor abot abou abra abro abta abtu abua abug abut ag-o agag agao agar agat agau agba agbo agga aggu agob agog agoo agot agou agra agro agta agtr agua agur agut aoba aora aorb aort aout arab arag arar arat arau arba arga argb argo aroa arob aroo aror arr- arra arrg arro arrr arrt arru arta arto artr arua arub arug arut at-t ataa atab atar atat atgo atob ator atot atra atro atru atta atto attr attu atua atub atug atur auaa auga aur- aura auro aut- auto auug baaa baar baat baba babb babo babr babu baga bagg bago bagt bar- bara barb barg baro barr bart baru bata bato batt batu bau- baug baur bbau bbbb bbga bbrg boab boag boar boat boba bobb bobo bobu boga bogg bogo bogt boob boog boor boot bor- bora borg boro borr bort boru bota botb boto bott boua bour bout brab brag brao brat brau broa brob brog broo bror brot brou brrr brug brut btaa btob btor btrt bttb buar buat buba bubb bubo bubu buga bugg bugo bur- bura burb burg buro burr burt buru but- buta buto butt gaar gaba gabb gabo gabr gabt gabu gaga gagg gago gagu gara garb garg garo garr gart gata gato gatr gatt gaua gaub gaur gaut gbag gbbo ggbt gggg goar goat goba gobo goga gogo goog goor goot gora gorb gorg goro gorr gort gota goto gott gou- goug gour gout grab grat grau grbr grob grog groo gror grot grou grrr grua grub grug grur grut gtaa gtbr gtta guaa guag guao guar guat guba gubb gubu guga gugb gugg gugu gura gurb gurg guro gurr gurt guru guta guto gutt gutu oaau oara obba obbo obor obot obra obro ogar ogb ogba ogoa ogog ogou ogra ogro ooaa ooba oooo oora oort ootb orab orao orar orat orba orbb orbo orbu orga orgo oro- oror orot orra orro orta orto orub otar oto- otog otoo otor otra otro otta otto ottu otur ouat our- oura ouro ourt out- outa outb outo ouu- raab raag raat raba rabb rabo rabu raga ragg rago ragu raob rara rarb raro rata rato ratt ratu raua raub raut rbbb rbbr rgba rgtr roab roag roar roat rob- roba robb robo robt robu roga rogg rogo roob roog roor root rora roro rort roru rota rotg roto rotr rott roua roub rout rrat rrrr ruag ruba rubb rubu ruga rugg rura ruro ruru ruta ruto rutt rutu taa- taag taar taat taba tabb tabo tabu taga tagg tago tagu taoa taor taou tara tarb targ taro tarr tart taru tata tatb tato tatr tatt tatu taua taub taur taut tbar tbrb tbta toab toat toau toba tobo tobt tobu toga togo togr togt tooa toor toot tora torg toro torr tort toru tota toto totr tott toug tour tout traa trab trag trao trat trau troa trog troo trot trou trra trtr trub trug trut truu ttab ttbb tttt tuao tuar tuat tuba tubb tubo tubr tubu tuga tugg tugu tuor tura turb turg turo turr turt turu tuta tuto tutt tutu tuuo uart uaru uata uatu uaua ubar ubba ubbo ubra ugab ugao ugar uggo uggt ugra ugro ugta ugur uguu uor- urao urat urau urba urga urgu uro- uroa uroo urra urur urut utau utor utto uttu utug uuta uuuu

-aaa- aaarg aaata aabaa aabba aabga aabra aagot aarau abaab ababa ababu abaga abago abara abaru abbar abbat abbot abbou abbur abgar aboab aboat abobo aboot abora abort abott about abrar abtaa abtao abtar abura aburr abuta abutt agago agara agaro agata agatu agbor aggag aggar aggat aggot aggro agoat agogo agora agoua agout agro- agror aguar agura aooga aort- aorta ar-ab