a-be a-ii aaaa aaab aaae aaaf aaai aaar aaba aabb aabi aaea aafa aafb aaff aafi aage aaib aaii aara aare aari abaa abab abae abaf abag abai abar abb- abba abbb abbe abbi abbr abee aber abff abia abib abie abig abir abra abri aeaf aebi aeer aega aer- aera aeri afaa afar afee afer affa affi afgf afia afib afif afig afir afr- afra afre afri agag agai agar agba agea agee agei ager agfa agga agge aggi agia agib agie agig agii agir agra agre agri aiai aiba aiea aiee aiff aiga aiia aiib aiir aira aire airi arab arae araf arag arai arar arba arbe arbi area aree aref areg arei arfa arfb arff arga argb arge argi aria arib arie arif arig arii arr- arra arre arrg arri arrr ba-i baaa baaf baar baba babb babe babi babr baer baff baga bage bagg bagi baia baib baie baig bair bar- bara barb bare barf barg bari barr bbbb bbeb bbga bbrg beaf beag bear beba bebb bebe bebi beeb beef beeg beer befa befe beff bega begg begi beia beir bera bere berg beri berr bfgf bgia biaf biar biba bibb bibe bibi bieb bief bier bifa biff bifi biga bigb bige bigg bira birb bire birg biri birr brab brae braf brag brai brea breb bree bref breg brei brer bria brie brig brrr eaaf eaba eafb eaga eage eaif eara earb eare ebba ebbr eber eeea eeee eefa eefe eega eera eerg ef-g efab efbr effa effi egaa egae egar egba egbe egea egee eger egfr eggb egge eggi egir egra egre egri eiei eier eige eigg eira eire eraf erba erbb erbe ereb erei erer erg- erga ergg ergi eria erie erra erre faaa faba fabe fabi faeb fafa fafe faff fafg fafi fage fagg fagi faie fair fara farb fare farg farr fbar feaf fear feba feeb feer fefe feff fefi fege fegg feia feie feig feir fera ferb fere ferr ffar ffee ffff ffii ffrr fiaa fiaf fiar fiba fibe fief fier fifa fife fiff fifi figa figg fiii fira fire frab frae frag frea free frei fria frib frie frig gaar gaba gabb gabe gabi gabr gaea gaer gafa gafb gaff gafi gaga gage gagg gagi gaia gaie gaig gair gara garb gare garf garg gari garr gbag geab geai gear geba gebe gebi geer gefe gege gegg geia geie geif geig geir gera gerb gere geri gfer gffa ggfg gggg giaa giai giba gibb gibe gief gier gife giff giga gige gigg gigi gira gire girg giri girr grab grae graf grai grbr grea greb gree gref greg grfa gria grib grie grif grig grrr i-be iaaa iaai iaba iaea iafe iaff iaia iara iare ibar ibea ibeg ibfi ibga ibge ibia ibie ibra ibri ieie iera iere ieri ifaa ifae ifar ifbb ifer ifge ifra ifrb ifrf ifri igar igba igea iger igfa igga igia igra igri iifa iiie iiii iira irae iraf irai irar irbe iree irer irfe iri- iria irie irig irra irre irri raab raaf raag raba rabb rabe rabi raef raeg raer rafa rafe raff rafi raga rage ragg ragi raia raie raif raig raii rair rara rarb rare rarf rari rbaf rbbb rbbr rea- reae reaf rear reba rebb rebe reeb reef refe reff refg refi refr rega rege regi regr reia reif reii reir rera rere rerg reri rfae rfef rgba rgbe rgbi riaa riab riai rib- riba ribe rief rier rifa rife riff riga rige rigg rigi riia riif rire riri rrif rrrr