a-ii aaaa aaab aaad aaaf aaai aaas aaba aabb aabd aabi aada aadi aads aafa aafb aafd aaff aafi aaib aaii aais aasa aasd aasf aasi aass abaa abab abad abaf abai abas abb- abba abbb abbi abbs abda abdi abff abia abib abid abis abs- absa absd absf absi abss adaa adab adad adai adas adba adbi adda addd addi adds adfa adfs adia adib adif adis adsa adsi adss afaa afad afbs afdb affa affi affs afia afib afid afif afis afsa afsb aiai aias aiba aida aidb aidi aids aifd aiff aifs aiia aiib aiid aisa aisb aisd aisi asaa asab asad asaf asai asas asba asda asdf asds asfa asfi asia asif asii asis assa assd assi asss ba-i baaa baad baaf baas baba babb babi babs bada badb badd badi bads baff baia baib baid bais basa basf basi bass bbad bbas bbbb bbbs bbdd bdii bdsd bfas bffs bfsi biad biaf bias biba bibb bibi bibs bida bidi bids bifa biff bifi biis bis- bisa bisd biss bsaa bsas bsbd bsfa bsff bsfs bssd daab daad daas daba dabb dabs dada dadi dads dafa daff dafi dafs daia daid dais dasa dasb dasd dasi dass dbas dbfs dbsa dbss dddd ddss dfaf dfas dfds dffa dia- diab diad diaf dias diba dibb dibs dida didi dids dif- difa diff difs diii diis dis- disa disd disi diss dsba dsda dsfa dsif dssa dssi faaa faad faas faba fabd fabi fabs fada fadd fadi fads fafa faff fafi faid fais fasa fasd fasi fass fbis fbsd ffff ffii ffsa ffss fiaa fiad fiaf fias fiba fibs fida fidf fids fifa fiff fifi fiii fisa fisd fisi fiss fsai fsas fsfi fsia fssa fssf iaaa iaai iaas iaba iadb iaff iaia iais iasa iasi ibad ibas ibfi ibia ibid ibis ibsa ibsf ibss idad idas idda idfa idia idid idis idsa idsf idss ifaa ifas ifbb ifda ifid ifis ifsa ifsb iias iida iifa iiii iiis iisd iisi is-a isad isaf isai isas isba isbd isda isdb isds isfa isia isis issa issf issi isss s-ib s-ii saab saad saaf saas saba sabb sabi sabs sada sadb sadd sadi sads safa safb saff safi saia said saif sais sasa sasd sasf sasi sass sbaa sbai sbas sbbs sbds sbia sbsa sbsd sbsi sdba sdds sdib sdif sdsf sdss sfas sfba sfia sfss siaa siab siaf siai sias siba sibi sibs sida sidd sidi sids sifa siff sisa sisd sisi siss ssaa ssab ssas ssdd ssdf ssid ssis sssa sssb sssf sssi ssss