bbbb bbch bbci bblb bbrc bcbc bccc bcci bccl bcit bcru bctc bcuc bhcc bhil bhir bhit bhrt bhur bhut bhuu bibb bibi bibl bicc bich bici bihi bihl bihu bili bill bilt bilu birb biri birl birr birt biru bitc bith bitt bitu blbt blcu blic blir blit blrc blub blur blut brcb bric brih bril brit brrr brtc bruc bruh brut btcc btcl btrc btrt bttb bubb bubi bubu bucc buch buci bucu buhi buhl buhr buic buir buit buiu bulb buli bull bult bulu bur- burb burh buri burl burr burt buru but- buti butt cbbc cbcc cbcl cbcr cbct cbcu cbhl cbir cbit cblb cblc cbrh cbrl cbrt cbtc cbtl ccbc cccb cccc ccci cccl cccu cchl cchr ccic ccii ccil ccir cclc ccli ccrc ccri ccrl ccrt cctb cctc cctl cctt ccuc ccut chch chci chib chic chih chil chir chit chiu chlc chlr chlt chrb chrc chrr chrt chtr chtt chub chui chul chur chut cibc cibi cicc cich cici cicr cict cicu cihr ciht ciii ciit cili cill cilt cirb circ cirh ciri cirl cirr cirt citb cith citi citl citt citu ciuc clib clic clii clir clit clri cltb cltc club cluh clut crbc crbu crcc crcr crib cric crit criu crrt crtc crtl crub crut ctbi ctic ctrc ctrl cub- cubb cubi cucc cuci cui- cuil cuir cuit culb culc cull cult curb curi curl curr curt cut- cutc cuth cutt h-ii hbic hbit hbtl hbtu hcbc hccb hccc hcch hchi hhcl hhhh hi-c hibi hibt hibu hicc hich hihc hihi hiht hiil hiit hiiu hili hill hilt hilu hiri hirt hiru hitc hiti hitt hlul hrbl hrib hrit hrrc hrtb htcc httr hubb hubi hubl huch hucu huhi huhu huib huil huir huit hulc huli hull hult hulu huri hurl hurr hurt huru huth huti hutt hutu huub ibrc ibri ibtb ibtc ibtl icbc iccb iccc icci iccl iccr icct iccu ichc ichi ichr ichu icll iclr icrc icrr icrt icru icub ihcc ihit ihrc ihtc ihub iihl iiht iiii iiit iirc iitr iitt iiuc ilbc ilic ilir ilit ill- illi illt ilut ircc ircu iri- iric iril irlb irrc irri irti irul itch ithc itic itil itll itri itur iucc iuiu lbcc lblr lbrt lcbc lccc lchc lchr lcrl lctl lhhh libc libr libu lich licr lict lih- lihi liht liii liir lilb lili lill lilt lilu lirc liri lirl lirr lirt liru litb lith liti litl litr litt litu liut llcc lllc llll lric lrrc lrrr ltbl ltcc ltci lthr ltib lttc lttr ltuc luch luci luhi luhu luit luli lull lulu luri lurt luth luti rbbb rbbr rbcl rcbc rccb rccc rchb rcic rctc rcti rhib rhli rib- ribu ricc rich rict riht rill rilu riri rith riti ritl ritt ritu rrrr rtcc rtlt rubb rubi rubu ruch ruci ruct ruhh ruhi ruhl ruhr ruit rull rurc ruri ruru ruth ruti rutl rutt rutu tbcb tbcc tbil tbit tbrb tccc tccu tch- tchh tchi tchr tchu tctc tcul thch thi- thic thil thir thri thru thtb thtr thul thur tibi tibu ticc tich tiht tihu tiit tiiu tilh till tilr tilt tirb tiri tirl tirr tiru titc tith titi titt titu tlli trcc trcl tri- trib tric tril trit trtc trtr trub truc trut truu ttbb tttt ttul tubb tubr tubu tucc tuch tuht tuhu tuil tuit tuiu tuli tull tulu turb turc turi turr turt turu tuti tutl tutt tutu ubbi ubic ubii ubir ubit ubli ucbc ucci uchi ucil ucrc ucut uhcl uhti uhuh uirr ulbc ulcc ulch ulic ulli ullr ulti ultt ulul urbi urch urci urib uric uriu urrh urri urth urur urut util utri utti uttu uulu uuri uuuu