a-a a-b a-i a-t aaa aab aag aai aao aar aat aau ab- aba abb abg abi abo abr abt abu ag- aga agb agg agi ago agr agt agu ai- aia aib aig aii aio air ait aiu aoa aob aog aoi aoo aor aot aou ar- ara arb arg ari aro arr art aru at- ata atb atg ati ato atr att atu au- aua aub aug aui auo aur aut b-u baa bab bag bai bao bar bat bau bba bbb bbg bbi bbo bbr bbt bbu bga bgb bgg bgi bgo bgr bgt bgu bi- bia bib big bii bio bir bit biu boa bob bog boi boo bor bot bou bra brb brg bri bro brr brt bru bta btb btg bti bto btr btt btu bua bub bug bui buo bur but buu gaa gab gag gai gao gar gat gau gba gbg gbi gbo gbr gbt gbu gga ggb ggg ggi ggo ggr ggt ggu gia gib gig gii gio gir git giu goa gob gog goi goo gor got gou gra grb grg gri gro grr grt gru gta gtb gtg gti gto gtr gtt gtu gu- gua gub gug gui guo gur gut guu ia- iaa iab iag iai iao iar iat iau iba ibb ibg ibi ibo ibr ibt ibu iga igb igg igi igo igr igt igu iia iib iii iio iir iit iiu io- ioa iob iog ioi ioo ior iot iou ir- ira irb irg iri iro irr irt iru ita itb itg iti ito itt itu iu- iua iub iug iui iur iut o-i oaa oab oag oai oao oar oat oau ob- oba obb obg obi obo obr obt obu oga ogg ogi ogo ogt oia oib oii oio oir oit oiu oo- ooa oob oog ooi ooo oor oot or- ora orb org ori oro orr ort oru ot- ota otb otg oti oto otr ott otu ou- oua oui ouo our out ra- raa rab rag rai rao rar rat rau rba rbb rbg rbi rbo rbr rbt rbu rga rgb rgg rgi rgo rgr rgt ria rib rig rii rio rir rit roa rob rog roi roo ror rot rou rra rrb rrg rri rrr rrt rru rta rtb rtg rti rto rtr rtt rtu rua rub rug rui ruo rur rut ruu taa tab tag tai tao tar tat tau tba tbb tbg tbi tbo tbr tbt tbu tga tgb tgg tgi tgo tgr tgt tgu tia tib tig tii tio tir tit tiu to- toa tob tog toi too tor tot tou tra trb trg tri tro trr trt tru tta ttb ttg tti tto ttr ttt ttu tua tub tug tui tuo tur tut tuu ua- uaa uab uag uai uao uar uat uau uba ubb ubg ubi ubo ubr ubt ubu uga ugb ugg ugi ugo ugr ugt ugu uia uib uig uii uio uir uit uiu uoa uob uog uoo uor uot ur- ura urb urg uri uro urr urt uru uta utb uti uto utr utt utu uua uug uur uut uuu

a-ii aaaa aaab aaai aaar aaba aabb aabi aabt aaib aaii aaoo aara aari aaro aart aaru aata aatt abaa abab abag abai abar abat abau abb- abba abbb abbi abbo abbr abbt abia abib abig abir abit abiu aboa abob aboo abor abot abou abra abri abro abta abtu abua abug abut ag-o agag agai agao agar agat agau agba agbo agga aggi aggu agia agib agig agii agio agir agit agob agog agoo agot agou agra agri agro agta agtr agua agui agur agut aiai aiba aibo aiga aigo aiia aiib aiir aioi aira airi airo airt aita aiti aitr aitt aitu aiui aoba aora aorb aort aout arab arag arai arar arat arau arba arbi arga argb argi argo aria arib arig arii ario arit aroa arob aroi aroo aror arr- arra arrg arri arro arrr arrt arru arta arti arto artr arua arub arug arui arut at-t ataa atab atai atar atat atgo atia atit atiu atob atoi ator atot atra atri atro atru atta atti atto attr attu atua atub atug atur auaa auga augi aur- aura auri auro aut- auto auug ba-i baaa baar baat baba babb babi babo babr babu baga bagg bagi bago bagt baia baib baig baio bair bait bar- bara barb barg bari baro barr bart baru bata bati bato batt batu bau- baug baur bbau bbbb bbga bbrg bgia biao biar biat biba bibb bibi bibo biga bigb bigg bigo bigt bigu bio- biog bioi biot biou bira birb birg biri biro birr birt biru bita bito bitt bitu boab boag boai boar boat boba bobb bobi bobo bobu boga bogg bogi bogo bogt boi- boii boit boiu boob boog boor boot bor- bora borg bori boro borr bort boru bota botb boti boto bott boua bour bout brab brag brai brao brat brau bria brig brio brit broa brob brog broo bror brot brou brrr brug brut btaa btob btor btrt bttb buar buat buba bubb bubi bubo bubu buga bugg bugi bugo buir buit buiu bur- bura burb burg buri buro burr burt buru but- buta buti buto butt gaar gaba gabb gabi gabo gabr gabt gabu gaga gagg gagi gago gagu gaia gaig gair gait gaiu gara garb garg gari garo garr gart gata gati gato gatr gatt gaua gaub gaur gaut gbag gbbo ggbt gggg giaa giai giat giba gibb giga gigg gigi gigo giog gioi gira girg giri giro girr girt giru gita gito giur goai goar goat goba gobi gobo goga gogi gogo goit goog gooi goor goot gora gorb gorg gori goro gorr gort gota goti goto gott gou- goug gour gout grab grai grat grau grbr gria grib grig grit grob grog groi groo gror grot grou grrr grua grub grug grui grur grut gtaa gtbr gtta guaa guag guao guar guat guba gubb gubi gubu guga gugb gugg gugi gugu guia guib gura gurb