a-ii aaaa aaab aaaf aaai aaba aabb aabi aabt aafa aafb aaff aafi aaib aaii aaoo aata aatf aatt abaa abab abaf abag abai abat abb- abba abbb abbi abbo abbt abff abia abib abig abit aboa abob abof aboo abot abta afaa afao afat affa affi affo afft afgf afia afib afif afig afit afoa afog afoo afta ag-o agag agai agao agat agba agbo agfa agga aggi agia agib agig agii agio agit agob agog agoo agot agta aiai aiba aibo aiff aiga aigo aiia aiib aioi aita aitf aiti aitt aoba aotf at-t ataa atab atai atat atfb atgo atia atif atit atob atof atoi atot atta atti atto ba-i baaa baaf baat baba babb babi babo baff bafo baft baga bagg bagi bago bagt baia baib baig baio bait bata batf bati bato batt bbbb bbga bfgf bfta bftt bgia biaf biao biat biba bibb bibi bibo bifa biff bifi biga bigb bigg bigo bigt bio- biog bioi biot bita bito bitt boab boag boai boat boba bobb bobi bobo bofa boff boga bogg bogi bogo bogt boi- boii boit boob boof boog boot bota botb boti boto bott btaa btaf btob bttb faaa faba fabi fabo fafa faff fafg fafi fafo fagg fagi fago faio fait fata fatf fati fato fatt ffff ffii fftf fiaa fiaf fiat fiba fifa fiff fifi fifo fift figa figg figo fiii fita fiti fitt foaf foba fobt fofo fogg fogi fogo foia foof foot fota foti foto fott ftii gaba gabb gabi gabo gabt gafa gafb gaff gafi gaft gaga gagg gagi gago gaia gaig gait gata gati gato gatt gbag gbbo gffa gfoa ggbt ggfg gggg giaa giai giat giba gibb giff gift giga gigg gigi gigo giog gioi gita gito goaf goai goat goba gobi gobo goff goga gogi gogo goif goit goof goog gooi goot gota goti goto gott gtaa gtfo gtta i-go iaaa iaai iaat iaba iaff iago iaia iata iati ibat ibfi ibga ibia ibot ibtb ifaa ifao ifat ifbb ifit ifta ifto igba igbo igfa igga igia igoo igot iifa iiii iiio iiit iioi iioo iita iitt ioba iobi iogt ioii ioio ioit ioof iooi iooo iota iotf ioto itaa itaf itai itat itfa itgo itia itif itof itoi itoo itta ittf itto oafo obai obba obbo obia obit oboi obot off- offa offo ofgo ofit ofta ogai ogb ogba oggi ogoa ogog ogoi oiba oigo oiii oita oiti ooaa ooba oobi ooff ooia oooo ootb otif otit oto- otof otog otoo otta otti otto taa- taaf taag taat taba tabb tabi tabo tafa taff tafi tafo taft taga tagg tagi tago taia taig taio tait taoa tata tatb tati tato tatt tbaf tbit tbta tfot tgfa tgif tiaa tiab tiaf tiao tiba tibi tifa tiff tifo tift tiga tigi tiit tita titi tito titt toab toat toba tobi tobo tobt tofa toff tofi tofo toft toga togo togt toit tooa toof toot tota toti toto tott ttab ttbb ttfa ttff tttt