a-ii aaaa aaab aaai aaar aaas aaba aabb aabi aaib aaii aais aara aari aars aasa aasi aass abaa abab abag abai abar abas abb- abba abbb abbi abbr abbs abia abib abig abir abis abra abri abrs abs- absa absi abss agag agai agar agas agba agga aggi agia agib agig agii agir agis agra agri agsa agsg aiai aias aiba aiga aiia aiib aiir aira airi airs aisa aisb aisg aisi aisr arab arag arai arar aras arba arbi arbs arga argb argi args aria arib arig arii aris arr- arra arrg arri arrr arrs ars- arsa arsi asaa asab asag asai asar asas asba asia asii asir asis asra asrg asrs assa assi assr asss ba-i baaa baar baas baba babb babi babr babs baga bagg bagi bags baia baib baig bair bais bar- bara barb barg bari barr bars basa basi bass bbas bbbb bbbs bbga bbrg bggs bgia biar bias biba bibb bibi bibs biga bigb bigg bigs biis bira birb birg biri birr birs bis- bisa biss brab brag brai bras bria brig bris brrr brrs brsb brsr bsaa bsas bsgs bsra gaar gaas gaba gabb gabi gabr gabs gaga gagg gagi gags gaia gaig gair gais gara garb garg gari garr gars gasa gasb gasi gasr gass gbag gbas gbbs gggg ggss giaa giai gias giba gibb gibs giga gigg gigi gigs giis gira girg giri girr girs gisa giss grab grai gras grbr gria grib grig gris grrr grrs grss gsab gsis iaaa iaai iaas iaba iags iaia iais iara iars iasa iasi iasr ibar ibas ibga ibia ibis ibra ibri ibsa ibss igar igas igba igga iggs igia igis igra igri iias iiii iiis iira iirs iisi iisr irai irar iras irgs iri- iria irig iris irra irri irrs irsa irsg is-a isai isar isas isba isia isis isra isrg isri issa issi issr isss raab raag raas raba rabb rabi rabs raga ragg ragi rags raia raig raii rair rais rara rarb rari rars rasa rasi rass rbbb rbbr rbbs rbis rbss rgba rgbi riaa riab riai rias rib- riba ribs riga rigg rigi rigs riia riis riri rirs risa risi riss rras rrrr rsaa rsai rsbi rsgb rsis rssa s-ib s-ii saab saag saar saas saba sabb sabi sabr sabs saga sagg sagi sags saia sair sais sara sarg sari sarr sars sasa sasi sass sbaa sbai sbar sbas sbbs sbia sbig sbsa sbsi sgaa sggg sggs sgss siaa siab siag siai sias siba sibi sibs siga sigg sigi sigs sira siri sirr sirs sisa sisi siss sras srgb srib sris ssaa ssab ssas ssbr ssgs ssis ssra ssrg ssri ssrs sssa sssb sssi ssss