a-ii aaaa aaab aaaf aaai aaar aaba aabb aabi aafa aafb aaff aafi aaib aaii aara aari abaa abab abaf abag abai abar abb- abba abbb abbi abbr abff abia abib abig abir abra abri afaa afar affa affi afgf afia afib afif afig afir afr- afra afri agag agai agar agba agfa agga aggi agia agib agig agii agir agra agri aiai aiba aiff aiga aiia aiib aiir aira airi arab araf arag arai arar arba arbi arfa arfb arff arga argb argi aria arib arif arig arii arr- arra arrg arri arrr ba-i baaa baaf baar baba babb babi babr baff baga bagg bagi baia baib baig bair bar- bara barb barf barg bari barr bbbb bbga bbrg bfgf bgia biaf biar biba bibb bibi bifa biff bifi biga bigb bigg bira birb birg biri birr brab braf brag brai bria brig brrr faaa faba fabi fafa faff fafg fafi fagg fagi fair fara farb farg farr fbar ffar ffff ffii ffrr fiaa fiaf fiar fiba fifa fiff fifi figa figg fiii fira frab frag fria frib frig gaar gaba gabb gabi gabr gafa gafb gaff gafi gaga gagg gagi gaia gaig gair gara garb garf garg gari garr gbag gffa ggfg gggg giaa giai giba gibb giff giga gigg gigi gira girg giri girr grab graf grai grbr grfa gria grib grif grig grrr iaaa iaai iaba iaff iaia iara ibar ibfi ibga ibia ibra ibri ifaa ifar ifbb ifra ifrb ifrf ifri igar igba igfa igga igia igra igri iifa iiii iira iraf irai irar iri- iria irig irra irri raab raaf raag raba rabb rabi rafa raff rafi raga ragg ragi raia raif raig raii rair rara rarb rarf rari rbaf rbbb rbbr rgba rgbi riaa riab riai rib- riba rifa riff riga rigg rigi riia riif riri rrif rrrr