a-a a-b a-t aaa aab aag aan aao aar aat aau ab- aba abb abg abn abo abr abt abu ag- aga agb agg agn ago agr agt agu an- ana anb ang ann ano anr ant anu aoa aob aog aon aoo aor aot aou ar- ara arb arg arn aro arr art aru at- ata atb atg atn ato atr att atu au- aua aub aug aun auo aur aut b-u baa bab bag ban bao bar bat bau bba bbb bbg bbn bbo bbr bbt bbu bga bgb bgg bgn bgo bgr bgt bgu bna bnb bng bnn bno bnr bnt bnu boa bob bog bon boo bor bot bou bra brb brg brn bro brr brt bru bta btb btg btn bto btr btt btu bua bub bug bun buo bur but buu gaa gab gag gan gao gar gat gau gba gbg gbn gbo gbr gbt gbu gga ggb ggg ggn ggo ggr ggt ggu gna gnb gnn gno gnr gnt gnu goa gob gog gon goo gor got gou gra grb grg grn gro grr grt gru gta gtb gtg gtn gto gtr gtt gtu gu- gua gub gug gun guo gur gut guu naa nab nag nan nao nar nat nau nba nbb nbg nbn nbo nbr nbt nbu nga ngb ngg ngn ngo ngt ngu nna nnb nng nnn nno nnt nnu no- noa nob nog non noo nor not nou nra nrb nrg nrn nro nrr nrt nru nta ntb ntg ntn nto ntr ntt ntu nua nub nug nun nuo nur nut nuu oaa oab oag oan oao oar oat oau ob- oba obb obg obn obo obr obt obu oga ogg ogn ogo ogt on- ona onb ong onn ono onr ont onu oo- ooa oob oog oon ooo oor oot or- ora orb org orn oro orr ort oru ot- ota otb otg otn oto otr ott otu ou- oua oun ouo our out ra- raa rab rag ran rao rar rat rau rba rbb rbg rbn rbo rbr rbt rbu rga rgb rgg rgn rgo rgr rgt rna rnb rng rnn rno rnr rnt rnu roa rob rog ron roo ror rot rou rra rrb rrg rrn rrr rrt rru rta rtb rtg rtn rto rtr rtt rtu rua rub rug run ruo rur rut ruu taa tab tag tan tao tar tat tau tba tbb tbg tbn tbo tbr tbt tbu tga tgb tgg tgn tgo tgr tgt tgu tna tnb tng tnn tno tnr tnt to- toa tob tog ton too tor tot tou tra trb trg trn tro trr trt tru tta ttb ttg ttn tto ttr ttt ttu tua tub tug tun tuo tur tut tuu ua- uaa uab uag uan uao uar uat uau uba ubb ubg ubn ubo ubr ubt ubu uga ugb ugg ugn ugo ugr ugt ugu un- una unb ung unn uno unr unt unu uoa uob uog uon uoo uor uot ur- ura urb urg urn uro urr urt uru uta utb utn uto utr utt utu uua uug uun uur uut uuu

-ana a-un aaaa aaab aaan aaar aaba aabb aabt aana aang aaon aaoo aara aaro aart aaru aata aatt abaa abab abag aban abar abat abau abb- abba abbb abbo abbr abbt abnu aboa abob abon aboo abor abot abou abra abro abta abtu abua abug abun abut ag-o agag agan agao agar agat agau agba agbo agga aggu agna agno agob agog agon agoo agot agou agra agro agta agtr agua agun agur agut ana- anaa anab anag anan anao anar anat anau anba anbb anbo anbu ang- anga ango angu anna annb anno annt ano- anoa anon anor ant- anta anto antr antt antu anua anub anun anut aoba aonb aono aont aora aorb aorn aort aoun aout arab arag aran arar arat arau arba arga argb argo arna arng arno arnt aroa arob aron aroo aror arr- arra arrg arro arrr arrt arru arta arto artr arua arub arug arun arut at-t ataa atab atan atar atat atgo atna atno atob aton ator atot atra atrn atro atru atta attn atto attr attu atua atub atug atun atur auaa auga auna aung aunt aur- aura auro aut- auto auug baaa baan baar baat baba babb babo babr babu baga bagg bagn bago bagt bana bang bann bano banr bant banu baon bar- bara barb barg barn baro barr bart baru bata batn bato batt batu bau- baug baur bbau bbbb bbga bbng bbrg bgan bgon bgun bnor bnrr bnta boab boag boan boar boat boba bobb bobo bobu boga bogg bogo bogt bona bong bonn bono bont bonu boob boog boon boor boot bor- bora borg born boro borr bort boru bota botb botn boto bott boua boun bour bout brab brag bran brao brat brau brna brno broa brob brog bron broo bror brot brou brrr brug brun brut btaa btan btob btor btrt bttb buar buat buba bubb bubo bubu buga bugg bugo buna bunb bung bunn buno bunt bunu buon bur- bura burb burg burn buro burr burt buru but- buta buto butt gaar gaba gabb gabo gabr gabt gabu gaga gagg gago gagu gana gang gann gano gant ganu gaon gara garb garg garn garo garr gart gata gato gatr gatt gaua gaub gaun gaur gaut gbag gban gbbo gbon ggbt gggg ggrn gnaa gnar gnat gnau gnoo gnrr goan goar goat goba gobo goga gogo gon- gona gong gonn gono gonu goog goon goor goot gora gorb gorg gorn goro gorr gort gota goto gott gou- goug goun gour gout grab gran grat grau grbr grob grog gron groo gror grot grou grrr grua grub grug grun grur grut gtaa gtbr gtta guaa guag guan guao guar guat guba gubb gubu guga gugb gugg gugu guna gung gunn gunt gura gurb gurg gurn guro gurr gurt guru guta guto gutt gutu naaa naab naag naan naar naat naba nabo nabu naga nago nagu nan- nana nanb