bbbb bbch bbci bbrc bcbc bccc bcci bcit bcor bctc bhcc bhir bhit bhoi bhor bhot bhrt bibb bibi bibo bicc bich bici bick bico bihi bikh biko bio- bioc bioi biot birb biri birk biro birr birt bitc bith bito bitt bobb bobi bobo boch bock boco boho bohr boht boi- boii boit boki boko boob booc booh book boor boot bor- borh bori bork boro borr bort botb both boti boto bott brcb bric brih brik brio brit brkb brob broc broh brok broo bror brot brrr brtc btcc btob btor btrc btrt bttb c-bo cbbc cbcc cbcr cbct cbir cbit cbko cbkr cbot cbrh cbrt cbtc ccbc cccb cccc ccci cchr ccic ccii ccir ccob ccoc ccrc ccri ccrt cctb cctc cctt chch chci chib chic chih chik chir chit chkb chkt choc choh choi chok choo chor chrb chrc chro chrr chrt chto chtr chtt cibc cibi cibo cicc cich cici cico cicr cict cihr ciht ciii ciit ciko cikr ciob cior cirb circ cirh ciri cirk ciro cirr cirt citb cith citi cito citt ckbc ckbi ckch ckck ckco ckob ckoc ckoi ckoo ckor ckot ckrc cktb cobb cobh cobi cobo coch cock coco coct coho coir coit cok- coko coob cooh cook coot cor- corb corc cori cork coro corr cort cotb cotc coth coti coto cott crbc crcc crcr crib cric crik crit crkc crob croc croh crok croo cror crot crrt crtc ctbi ctic ctor ctot ctrc h-ii hbic hbio hbit hboc hcbc hccb hccc hcch hchi hhhh hi-c hibi hibt hicc hich hick hico hihc hihi hiho hiht hiit hiki hiob hioc hiri hirk hiro hirt hitc hiti hito hitt hkcc hkir hobo hoch hock hocr hoho hoik hoir hoit hoki hoko hook hoor hoot horc hori hork horo horr hort hotb hoth hoti hoto hotr hott hrib hrit hrob hrrc hrtb htcc htoh htrk httr ibot ibrc ibri ibro ibtb ibtc icbc iccb iccc icci icco iccr icct ichc ichi icho ichr icoc icor icrc icrr icrt ihcc ihit ihob ihrc ihtc iiht iiii iiio iiit iioi iioo iirc iitr iitt ikki ikko ikoo ikri iobi ioci ioii ioio ioit ioko iooi iooo iori ioto ircc iri- iric irio irki irob iroc iroh irrc irri irti itch ithc itic itko itoh itoi itoo itor itri itto k-ci kbbb kbbc kbbi kbbk kbbo kbbr kbbt kbcb kbch kbci kbck kbco kbcr kbct kbhb kbhc kbhh kbhi kbhr kbht kbib kbic kbik kbio kbit kbkb kbkk kbko kbkr kbob kboc kboi kbok kboo kbot kbrb kbrc kbrh kbri kbrk kbro kbrt kbtb kbtc kbtk kbto kbtr kbtt kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kcct kchh kchi kchk kcho kchr kcic kcii kcir kcit kckc kckk kcko kckr kcob kcoh kcor kcot kcrc kcrh kcri kcro kcrr kcrt kctb kctc kcti kcto khbc khbr khbt khcb khcc khch khck khct khhk khho khic khii khio khit khki khkk khkr khob khoc khoi khok khor khot khri khrk khro khrr khrt khtb khth khti khtk khto khtr khtt kibb kibc kibi kibo kibr kibt kicb kicc kick kicr kict kihc kihh kihi kihk kiho kihr kiht kiic kiii kiik kiit kikc kiki kikk kiko kikr kikt kioc kioh kioi kiok kioo kiot kirb kirc kiri kirk kiro kirr kirt kitc kith kiti kito kitr kitt kkbb kkbi kkbo kkbr kkbt kkcb kkch kkci kkck kkco kkcr kkct kkhb kkhh kkhi kkhk kkhr kkic kkik kkit kkkk kkob kkoh kkoo kkor kkot kkrb kkrc kkrh kkrk kkro kkrr kkrt kktc kktk kobb kobc kobi kobk kobo kobr kocb koch koci kock koct kohh kohi koho kohr koht koii koir koit kokb kokc kokh koki kokk koko kokr koob kooc kooi kook kooo koor koot korb korc kori kork koro korr kort kotb kotc koth koti kotk koto kotr kott krbb krbi krbk krbr krbt krcb krcc krch krci krco krhc krib krik krio krit krkc krkh krki krkk krko krkr krob kroc kroh kroi krok kroo kror krrb krrc krri krrk krro krrr krrt krtc krth krti krtk krto krtr ktbb ktbc ktbr ktbt ktcc ktch ktck ktco ktcr kthc kthh kthi kthk ktho kthr ktht ktib ktic ktik ktkb ktkc ktkk ktko ktkr ktkt ktob ktoc ktoh ktok ktoo ktor ktot ktrb ktrc ktrh ktri ktrk ktro ktrr ktrt kttc ktth ktti kttk ktto kttr kttt obbo obit obkb oboi obok obor obot obrh obri obro ocbc occc occi occt ochi ocht ocro ocrr oct- octi octo ohcc ohhi ohho ohio ohob ohoh ohok ohto oici oick oiii oiko oirt oitc oiti okic okir okko okok okor okot okro okto oobi oocr ooho oooh oooo oort ootb orbb orbi orbo orch orci orco ori- oric orio orit orko oro- orok oror orot orri orro ortc orth orto otho othr otic otit oto- otoh otok otoo otor otro otti otto rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcic rctc rcti rhib rhio rhob rhoc rhoh rib- ribo ricc rich rick rico rict riho riht riki rikk riot riri rith riti rito ritt rob- robb robi robo robt rocc roch rock roco rohr roik roio roir roit rokh roki rokk roko rokr roob rooi rook roor root rorc rori rork roro rort rotc roth roti rotk roto rotr rott rrrr rtcc rthk tbcb tbcc tbit tbrb tccc tch- tchh tchi tcho tchr tctc thch thi- thic thik thio thir thoo thor thot thri thro thtb thtr tibi ticc tich tick tico tiht tiit tiki tiko tirb tiri tiro tirr titc tith titi tito titt tobi tobo tobt toch toci tock toco tohi toho toit toki toko tooh took toor toot torc tori tork toro torr tort totc toth toti toto totr tott trcc tri- trib tric trik trio trit troc troi troo trot trtc trtr ttbb tttt