bbbb bbin bblb bibb bibi bibl biin bili bill bilt bilu bily bin- bini binn bint binu biny bitt bitu blbt blin blit blni blub blut bly- blyn bnib bnin bttb bubb bubi bubu buin buit buiu bulb buli bull bult bulu bunb buni bunn bunt bunu but- buti butt buty buyi buyl buyu byil byit bylt byul byun i-by ibly ibtb ibtl ibuy ibyi iiii iiit iitt ilin ilit ill- illi illt illy ilni ilut iluy inby init inly inni innu inny inti intl intn intu inui inul inun itby itil itin itll itty iuiu iuty libu liii liin lilb lili lill lilt lilu lily linn lint liny litb liti litl litt litu lity liun liut liyl liyu llll llyn ltbl ltib ltnt luby luin luit luli lull lulu luni lunn lunt luny luti luyi luyt lyin lyit lyly lynn lytt lyun lyyn n-ii nbti nbty nibi niit niiu nili nill nilt nilu nini ninl nitb niti nity niyi nnit nnnn nntn ntnu ntui nubi nubl nuby nuin nuit nuli null nunn nunt nuny nutt nutu nyit nyll nylt nynt nyny nytb nyul tbil tbit tibi tibu tiit tiiu till tiln tilt tily tini tinn tint tinu tiny titi titt titu tiyi tiyn tlli tnut ttbb tttt ttul ttyl tubb tubu tuil tuin tuit tuiu tuli tull tulu tuly tunb tuni tunn tunu tuny tuti tutl tutt tutu tuty tuyl tuyn tybi tyin tyl- tyll tynt tyny tyti tytt tyty tyyn ubbi ubii ubit ubli ubly uint ulli ully ulti ultt ulul uni- unii unin unit unni untb unty unut utby util utin utti uttu uulu uuni uuuu uuyn uyin ybnl yili yill yilt yiti ylli yubu yuin yuit yuli yulu yuny yutu yuty yuyu yyyy