bbbb bblb bhil bhir bhit bhrt bhur bhut bhuu bibb bibi bibl bihi bihl bihu bili bill bilt bilu bily birb biri birl birr birt biru biry bith bitt bitu blbt blir blit blub blur blut bly- brih bril brit brrr bruh brut bry- btrt btry bttb bubb bubi bubu buhi buhl buhr buhy buir buit buiu bulb buli bull bult bulu bur- burb burh buri burl burr burt buru bury but- buti butt buty buyi buyl buyu byil byit bylt byrt byth byul h-ii hbit hbtl hbtu hhhh hibi hibt hibu hihi hiht hiil hiit hiiu hili hill hilt hilu hily hiri hirt hiru hiti hitt hlly hlul hrbl hrib hrit hrtb hryb httr hubb hubi hubl huby huhi huhu huib huil huir huit huli hull hult hulu huly huri hurl hurr hurt huru hury huth huti hutt hutu huty huub huyr huyt hyl- hyll hylt hyly hyrt i-by ibly ibri ibtb ibtl ibuy ibyi ihit ihub iihl iiht iiii iiit iitr iitt ilir ilit ill- illi illt illy ilut iluy irby iri- iril iriy irlb irri irti irul itby itil itll itri itry itty itur iuiu iuty lblr lbrt lhhh libr libu lih- lihi liht liii liir lilb lili lill lilt lilu lily liri lirl lirr lirt liru liry litb lith liti litl litr litt litu lity liut liyl liyu llll llyr lrrr lrry ltbl lthr ltib lttr ltyr luby luhi luhu luit luli lull lulu luri lurt lury luth luti luyi luyt lyht lyit lyly lyth lytt rbbb rbbr rhib rhli rhyl rib- ribu riby riht rill rilu rily riri rith riti ritl ritt ritu rrrr rtlt rubb rubi rubu ruby ruhh ruhi ruhl ruhr ruit rull ruly ruri ruru ruth ruti rutl rutt rutu ruty ruyi ruyl ryhb ryth rytt ryyt tbil tbit tbrb thi- thil thir thri thru thtb thtr thul thur thuy thyh tibi tibu tiht tihu tiit tiiu tilh till tilr tilt tily tirb tiri tirl tirr tiru tiry tith titi titt titu tiyi tlli tri- trib tril trit trtr trub trut truu try- tryb ttbb tttt ttul ttyl tubb tubr tubu tuht tuhu tuil tuit tuiu tuli tull tulu tuly turb turi turr turt turu tury tuti tutl tutt tutu tuty tuyl tybi tyht tyir tyl- tyll tyr- tyrl tyrr tyti tytt tyty ubbi ubii ubir ubit ubli ubly uhry uhti uhuh uirr ulli ullr ully ulti ultt ulul urbi urib uriu urrh urri urry urth urur urut utby util utri utti uttu uulu uuri uuuu uyir ybry yhit yili yill yilt yirb yirr yiti ylli yrly ytht yubu yuhi yuit yuli yulu yuri yurt yury yutu yuty yuyu yyyy