a-a a-b aaa aab aad aaf aak aao aau ab- aba abb abd abf abk abo abu ad- ada adb add adf adk ado adu af- afa afb afd aff afk afo afu aka akb akd akk ako aku aoa aob aod aof aok aoo aou au- aua aub aud auf auk auo b-u baa bab bad baf bak bao bau bba bbb bbd bbf bbk bbo bbu bda bdb bdd bdf bdk bdo bdu bfa bfb bfd bff bfo bfu bka bkb bkf bkk bko boa bob bod bof bok boo bou bua bub bud buf buk buo buu daa dab dad daf dak dao dau dba dbb dbd dbf dbk dbo dbu dda ddb ddd ddf ddk ddo ddu dfa dfb dfd dff dfk dfo dfu dka dkb dkk dko dku doa dob dod dof dok doo dou dua dub dud duf duk duo faa fab fad faf fak fao fau fba fbb fbd fbf fbk fbo fbu fda fdb fdd fdf fdk fdo fdu ffa ffd fff ffk ffo ffu fka fkb fkf fkk foa fob fof fok foo fou fua fub fud fuf fuk fuo fuu ka- kaa kab kad kaf kak kao kau kba kbb kbd kbf kbk kbo kbu kda kdb kdf kdk kdo kdu kfa kfd kff kfo kfu kkb kkk kku koa kob kod kof kok koo kou kub kud kuk kuu oaa oab oad oaf oak oao oau ob- oba obb obd obf obk obo obu oda odb odd odf odo odu of- ofa ofb ofd off ofo ofu oka okb okd okk oko oku oo- ooa oob ood oof ook ooo ou- oua oud ouf ouk ouo ua- uaa uab uad uaf uak uao uau uba ubb ubf ubk ubo ubu uda udb udd udf udk udo udu ufa ufd uff ufo ufu uka ukb ukf ukk uku uoa uob uod uok uoo uua uuu

a-ak a-do a-fu a-ok aaaa aaab aaad aaaf aaba aabb aabd aada aadu aafa aafb aafd aaff aaka aaku aaoo abaa abab abad abaf abak abau abb- abba abbb abbo abda abdo abdu abff aboa abob abod abof abok aboo abou abua abud abuf abuk adaa adab adad adak adao adba adda addd addo addu adfa adob adod adok adoo adua adub aduk afaa afad afak afao afdb affa affo afka afoa afoo afua afud akaa akao akka akko akku akok akua aoba aouf auaa audo baaa baad baaf baak baba babb babo babu bada badb badd bado badu baff bafo bak- baka bako baku bau- baud bauf bauk bbad bbau bbbb bbdd bbdo bduf boab boad boak boba bobb bobo bobu boda bodb bodo bodu bofa bofd boff bofu boka boko boku boob bood boof book boua boud bouf bouk buad buba bubb bubo bubu buda budb budd budo budu buff bufo buka bukk buko buku d-bo daab daad daau daba dabb dabo dabu dada dado dadu dafa daff dafo daka dako daku daou daub daud dauk dbfo dddd ddub dfaf dffa dkba doab doak doba dobb dobu dod- doda dodd dodo doff doka doko doob dood doof dook doub doud douf douk duaa duab duad dub- duba dubb dubu duda dudd dudo dudu duff dufu duka duku duo- f--k faaa faad faba fabd fabo fabu fada fadd fado fafa faff fafo fako faku faud fdoa ffff fkab foad foaf foak foba foda fofo food foof fook foua foud fuad fubb fubu fuda fudd fuff fufu fuka fukk fuko fuku kaaa kaab kaaf kaak kaba kabb kabd kabf kabo kabu kad- kada kadd kadf kado kadu kafa kaff kafu kaka kakk kako kaku kaoa kaok kau- kaub kaud kauk kauo kbaa kbab kbad kbak kbba kbbb kbbd kbbf kbbk kbbo kbbu kbdb kbdf kbdo kbfb kbff kbfk kbfo kbkb kbkf kbkk kbko kboa kbob kbod kbok kboo kbua kbub kbud kbuf kbuk kbuu kdaa kdab kdad kdaf kdak kdao kdbb kddb kddd kddf kddk kdfo kdka kdkb kdkd kdkk kdko kdok kdub kfab kfbk kfda kffa kffb kfff kffk kfka kfkb kfok kfoo kfuo kkaa kkba kkbb kkbd kkbo kkda kkdd kkdo kkkk kkoa kkob kkoo kkua kkuu koab koak koba kobb kobk kobo kobu koda kodk kodo kodu kofa koff kofk kofo kofu koka kokb kokf kokk koko koku koob kook kooo koou koua koub kouu kuaf kuau kuba kubb kubd kubo kubu kuda kudd kudo kudu kufa kuff kufo kuka kukk kuku kuoa kuok kuoo kuub kuuk kuuu oaau oafo obad obak obba obbo obkb obok odbo odda oddd odoo odou off- offa offo offu okak okka okko okok ooaa ooak ooba ooda ooff ooku oooo ouad ouff ouu- uafa uaua ubba ubbo ubod ubud udaa udad udau udoo uduk uffa ufuk ukaf ukba ukko ukok uofa uofo uuuu

-aaa- -abad aabaa aabba aakko abaab ababa ababu abada abaka abako abbad abbod abbou abbud abfab abkoo aboab aboad abobo abood abook aboud abuda abuko adaba adada adado adaka adaou adobo adodb adoub aduba aduku afoou akaba akabo akaoa akbou akbuk akkad akkub akobo akoda akoka akoko akuku aouda aubad audad babak babau babdo babka baboo babou badak badao baddo badod badoo badou baduk baffa bafou bakau bakka bakoa baubo bbook bo-bo boada bobak bobko bobok bodak bodd- boffa boffo bokaa bokko bokod bokok booba booko bouba bouda boudu bouka bouko buada bubba bubka budak budda buddu budko buffa buffo bukk- d-a-d daada daaku dabba dabbu dabou dabua dadao dadau dadda daddo dadoo dadou daffo dakka dakua daoko daouk dauda ddddd do-do doaba doado dobok dodab dodad dodoo dokda dokdo dokka dokuo dooab doodo dooku doufu douka du-ku dubau dubba dubbo duddo dudok dudou dudua duduk dufaa dukku faafu fabbo faboo fadak fadao fadda fadua fakku fauda ffado fodoa fofao foodb fouda fouka fu-fu fuddu fukao fuudo k-a-o k-b-d kaaba kaabu kaadu kaafu kabaa kabab kabad kabak kabba kabob kabou kabua kadod kadua kafak kaffa kafka kakao kakau kakka kakko kakku kako- kakod kaooa kauko ko-ko kobad kobda kobuk kodad kodak kodok kofud kokab kokad kokak kokka kokko kokou kooba kooka kouba koudo