bbbb bbin bhir bhit bhrt bhur bhut bhuu bibb bibi bihi bihu biin bin- binh bini binn bint binu birb biri birn birr birt biru bith bitt bitu bnib bnin bnrr brih brin brit brrr bruh brun brut btrt bttb bubb bubi bubu buhi buhr buin buir buit buiu bunb buni bunn bunt bunu bur- burb burh buri burn burr burt buru but- buti butt h-ii hbit hbtu hhhh hibi hibt hibu hihi hiht hiit hiiu hinn hint hiri hirn hirt hiru hiti hitt hntb hntr hrib hrit hrtb hrun httr hubb hubi huhi huhn huhu huib huir huit hunh huni hunt huri hurn hurr hurt huru huth huti hutt hutu huub ibri ibtb ihit ihub iiht iiii iiit iitr iitt init inni innr innu inri inti intn intr intu inui inun iri- irin irri irti irun itin itri itur iuiu n-ii nbti nhnn nibi niht niir niit niiu ninh nini nirt niru nitb nith niti nitr niur nnit nnnn nntn nthn ntht ntnu ntru nttr ntui nubi nuhi nuin nuit nunn nunt nuri nurn nurr nurt nuru nuth nutt nutu rbbb rbbr rhib rhin rhun rib- ribu riht riin rinn riri rith riti ritt ritu rnbr rnin rnnt rnut rrrr rrun rubb rubi rubu ruhh ruhi ruhn ruhr ruin ruit runi runn runt ruri ruru ruth ruti rutt rutu ruun tbit tbrb thi- thin thir thnt thri thru thtb thtr thun thur tibi tibu tiht tihu tiit tiiu tini tinn tint tinu tirb tiri tirr tiru tith titi titt titu tnut tri- trib trin trit trtr trub trun trut truu ttbb tttt tubb tubr tubu tuht tuhu tuin tuit tuiu tunb tuni tunn tunu turb turi turn turr turt turu tuti tutt tutu ubbi ubii ubir ubit uhti uhuh uint uirr uni- unii unin unir unit unni untb unth unut urbi urib urin uriu urni urrh urri urth urun urur urut utin utri utti uttu uuni uuri uuuu