a-a a-b aaa aab aad aae aaf aag aao aau ab- aba abb abd abe abf abg abo abu ad- ada adb add ade adf adg ado adu aea aeb aed aee aef aeg aeo aeu af- afa afb afd afe aff afg afo afu ag- aga agb agd age agf agg ago agu aoa aob aod aoe aof aog aoo aou au- aua aub aud aue auf aug auo b-u baa bab bad bae baf bag bao bau bba bbb bbd bbe bbf bbg bbo bbu bda bdb bdd bde bdf bdg bdo bdu be- bea beb bed bee bef beg beo beu bfa bfb bfd bfe bff bfg bfo bfu bga bgb bgd bge bgf bgg bgo bgu boa bob bod boe bof bog boo bou bua bub bud bue buf bug buo buu daa dab dad dae daf dag dao dau dba dbb dbd dbe dbf dbg dbo dbu dda ddb ddd dde ddf ddg ddo ddu de- dea deb ded dee def deg deo deu dfa dfb dfd dfe dff dfg dfo dfu dga dgd dge dgf dgg dgu doa dob dod doe dof dog doo dou dua dub dud due duf dug duo eaa eab ead eae eaf eag eao eau eba ebb ebd ebe ebf ebg ebo ebu ed- eda edb edd ede edf edg edo edu eea eeb eed eee eef eeg eeo ef- efa efb efd efe eff efg efo ega egb egd ege egf egg ego egu eo- eoa eob eod eoe eof eog eoo eou eu- eua eub eud eue euf eug faa fab fad fae faf fag fao fau fba fbb fbd fbe fbf fbg fbo fbu fda fdb fdd fde fdf fdg fdo fdu fea feb fed fee fef feg feo feu ffa ffd ffe fff ffg ffo ffu fga fgb fgd fge fgf fgg foa fob foe fof fog foo fou fua fub fud fue fuf fug fuo fuu g-d gaa gab gad gae gaf gag gao gau gba gbd gbe gbf gbg gbo gbu gda gdb gdd gde gdf gdo gdu ge- gea geb ged gee gef geg geo geu gfa gfb gfd gfe gff gfo gga ggb ggd ggg ggo ggu goa gob god goe gof gog goo gou gu- gua gub gud gue guf gug guo guu oaa oab oad oae oaf oag oao oau ob- oba obb obd obe obf obg obo obu oda odb odd ode odf odg odo odu oea oeb oed oee oef oeg oeo of- ofa ofb ofd ofe off ofg ofo ofu oga ogd oge ogf ogg ogo oo- ooa oob ood oof oog ooo ou- oua oud oue ouf ouo ua- uaa uab uad uae uaf uag uao uau uba ubb ube ubf ubg ubo ubu uda udb udd ude udf udg udo udu uea ueb ued uee uef ueg ufa ufd ufe uff ufg ufo ufu uga ugb uge ugf ugg ugo ugu uoa uob uod uoe uog uoo uua uue uug uuu

a-be a-do a-fu aaaa aaab aaad aaae aaaf aaba aabb aabd aada aade aadu aaea aafa aafb aafd aaff aage aaoe aaoo abaa abab abad abae abaf abag abau abb- abba abbb abbe abbo abda abdo abdu abed abee abff abgd aboa abob abod abof aboo abou abua abud abue abuf abug adaa adab adad adae adag adao adba adda addd adde addo addu adea adeb adee adeo adfa adob adod adoe adog adoo adua adub adue aeaf aede aega afaa afad afao afdb afee affa affo afgf afoa afoe afog afoo afua afud afue ag-o agad agag agao agau agba agbo agda agde agea aged agee agfa agga agge aggu agob agod agog agoo agou agua ague aoba aoeu aouf auaa aube aude audo aufe auga auge auug baaa baad baaf baba babb babe babo babu bada badb badd bade bado badu baed baff bafo baga bage bagg bago bau- baud bauf baug bbad bbau bbbb bbdd bbdo bbeb bbga bdog bduf bead beaf beag beau beba bebb bebe bebo beda bede bedo bedu beeb beed beef beeg befa befe beff befo bega begg bego begu beo- beod beof bfgf boab boad boag boba bobb bobe bobo bobu boda bodb bode bodo bodu boea boee boef boeo bofa bofd bofe boff bofu boga bogd boge bogg bogo boob bood booe boof boog boua boud boue bouf buad buba bubb bube bubo bubu buda budb budd bude budg budo budu buea bueu bufe buff bufo buga buge bugg bugo d-bo daab daad daae daag daau daba dabb dabo dabu dada dade dado dadu daeb daeu dafa dafe daff dafo daga dage dagg dago dagu daou daub daud daue dbag dbfo dddd ddub dead deae deaf deau deba debe debu deda dedd dede dedo dedu deeb deed deef deeg defe deff defg defo dega dege dego degu deua deue dfaf dffa dfoe dgeg dgge doab doae doba dobb dobe dobu dod- doda dodd dode dodg dodo doea doeg doff dog- doga doge dogg dogo dogu doob dood doof doub doud doue douf doug duaa duab duad dub- duba dubb dube dubu duda dudd dude dudo dudu duff dufu duga dugu duo- eaaf eaba eada eadb eadd eafb eaga eage ebba ebbo ebed eboe eboo edad edag edda edde eddo ede- edea edfa edfu edge edod edou eede eedu eeea eeee eefa eefe eega ef-g efab efda efeo effa efua egaa egad egae egao egba egbe egbu egea egee eggb egge eggo ego- eode euba eude euge faaa faad faba fabd fabe fabo fabu fada fadd fade fado faeb fafa fafe faff fafg fafo fage fagg fago fagu faud faue fdoa fead feaf feba febo feda fede feeb feed fefe feff fefo fege fegg feod feof feud ffee ffff foad foaf foba foda fode foed fofo foge fogg fogo food foof foua foud foug fuad fubb fubu fuda fudd fude fuff fufu fuga fuge fugo fugu gaba gabb gabe gabo gabu gada gadd gade gado gaea gaed gafa gafb gaff gaga gage gagg gago gagu