a-ii aaaa aaab aaaf aaai aaal aaas aaba aabb aabi aabl aabt aafa aafb aaff aafi aafl aaib aaii aais aala aali aall aals aasa aasf aasi aass aast aata aatf aatt abaa abab abaf abai abal abas abat abb- abba abbb abbi abbs abbt abff abia abib abil abis abit abla abls abs- absa absf absi absl abss abta abts afaa afat afbs affa affi affs afft afia afib afif afil afis afit afla afsa afsb afst afta afts aiai aias aiba aibl aiff aifl aifs aiia aiib aila aili ails aisa aisb aisi aisl aist aita aitf aiti aits aitt alaa alai alal alas alat alb- alba albi albs alfa alfi alfs ali- alia alib alif alii alil alis alit all- alla alli alll alls alsa alst alta alti alts asaa asab asaf asai asal asas asat asba asfa asfi asia asif asii asil asis asit asla asli assa assi assl asss asst asta astb asti astl asts at-l at-t ataa atab atai atal atas atat atbs atfb atfs atia atif atil atis atit atla atli atls atsb atsi atst atta atti atts ba-i baaa baaf baal baas baat baba babb babi babs baff baft baia baib bail bais bait bala balf bali ball bals balt basa basf basi bass bast bata batf bati bats batt bbas bbbb bbbs bblb bbls bfas bffl bffs bfsi bfta bfts bftt biaf bial bias biat biba bibb bibi bibl bibs bifa biff bifi biis bila bili bill bils bilt bis- bisa bisl biss bist bita bits bitt blaa blab blas blat blbt blis blit blls blss blst blts bsaa bsas bsat bsfa bsff bsfs bsts btaa btaf btla btss bttb faaa faas faba fabi fabs fafa faff fafi fail fais fait fala fali fall fals falt fasa fasi fass fast fata fatf fati fats fatt fbis fbla ffff ffii ffsa ffss fftf fiaa fiaf fial fias fiat fiba fibs fifa fiff fifi fift fiii fiil fila fili fill fils fisa fisi fiss fist fita fiti fits fitt flab flat flia flii flis flit flts fsai fsas fsfi fsia fssa fssf fsta ft-l ftii ftlb ftsa iaaa iaai iaal iaas iaat iaba iaff iafl iaia iais iala iall ials iasa iasi iata iati ibas ibat ibfi ibia ibis ibsa ibsf ibss ibtb ibtl ibts ifaa ifas ifat ifbb ifil ifis ifit ifla ifsa ifsb ifta iias iifa iiii iiis iiit iila iisi iist iita iitt ilal ilas ilia ilis ilit ill- illa illi ills illt ilsa ilts is-a isaf isai isal isas isat isba isbl isbt isfa isia isil isis isit isla isls issa issf issi isss ista isti ists itaa itaf itai ital itas itat itbs itfa itia itif itil itis itll itsa itsf itsi itta ittf laaa laal laas laat laba labi labs lafb laff laft laia lail lais lait lala lali lall lasa lasi lass last lata lati lats latt lbia lfat lfts lias liat liba libs lifa liff lifl lift liia liii liis lila lilb lili lill lils lilt lisa lisi liss list lita litb liti litl lits litt llat llbs llll lsat lsla lssa lsts ltbf ltbl ltib ltsa ltsi s-ib s-ii saab saaf saal saas saat saba sabb sabi sabs safa safb saff safi saft saia saif sail sais sait sala salf sali sall sals salt sasa sasf sasi sasl sass sast sata satb sati satl sats satt sbaa sbai sbas sbbs sbia sbsa sbsi sbst sfas sfba sfia sfla sfls sfss sfts siaa siab siaf siai sial sias siat siba sibi sibs sifa siff sifl sift siit sil- sila silf sili sill sils silt sisa sisi siss sist sit- sita siti sits sitt sl-i slaa slab slaf slai slas slat slft slib slit slsa slst slts ssaa ssab ssas ssat ssfl ssis ssit ssla sslt sssa sssb sssf sssi ssss ssta sstb sstl ssts stab stai stal stas stat stbs stia stib stif stil stis stit stlt stsf stsi stss taa- taaf taal taas taat taba tabb tabi tabl tabs tafa taff tafi taft taia tail tais tait tala tali tall tals tasa tasb tasi tass tast tata tatb tati tats tatt tbaf tbas tbbs tbil tbit tbst tbta tfal tfsi tfss tiaa tiab tiaf tial tias tiba tibi tibs tifa tiff tift tiit tila till tils tilt tisa tisb tisi tiss tist tita titi tits titt tlli tsaa tsai tsal tsat tsfl tsia tsis tssa tssf tssi tsst tsts ttab ttbb ttfa ttff ttss tttt