bbbb bblb bibb bibi bibl bigb bigg bigu bili bill bilu bily blub bly- bubb bubi bubu bugg bugi buiu bulb bulg buli bull bulu buyi buyl buyu bygg byil byul gggg gibb giby gigg gigi gilg gili gill gli- glib glub glug glui glyg glyu gubb gubi gubu guby gugb gugg gugi gugu guib guil gulb guli gull gulu guly guyu gyil gyll gyuu i-by ibly ibuy ibyi iggy igil igli iglu igly iiii ill- illi illy iluy iuiu lbug lgbu libu ligg ligi liig liii lilb lilg lili lill lilu lily liyl liyu llll luby lugg lugi lugu lugy luli lull lulu luyi lyly ubbi ubii ubli ubly ugli ugly uguu ulli ully ulul uulu uuuu yili yill ylli yubu yugg yugi yugu yuli yulu yuyu yyyy