bbbb bbci bbdd bbeb bbet bcbc bccc bcci bcde bcec bcet bcie bcit bctc bcuc bdbc bddc bdii bebb bebe bebi beci beck becu bede bedi bedu beeb beed beek beet beic beik beit beke beki betc bete beti bett betu beuk bibb bibe bibi bicc bice bici bick bide bidi bidu bieb bied biet bieu bike biku bitc bitd bite bitt bitu btcc btdt btec btek btie bttb bubb bube bubi bubu bucc buce buci buck bucu budb budd bude budi budu bueu buic buid buie buik buit buiu buke buki bukk buku but- bute buti butt c-cd cbbc cbcc cbce cbct cbcu cbdb cbdc cbdi cbec cbee cbet cbid cbit cbtc ccbc cccb cccc ccci cccu ccdc ccdi cced ccee ccic ccid ccii cctb cctc cctt ccuc ccut cd-e cddb cdec cdic cdii cebu cec- cece ceci cect cedd cede cedi cedt cedu ceeb ceec ceke cet- cete ceti ceui cibc cibe cibi cicc cici cict cicu cidc cide cidi cidt ciee ciid ciii ciit citb cite citi citt citu ciuc ckbc ckbe ckbi ckck ckdu cktb ctbi ctec ctic cub- cubb cube cubi cucc cuce cuci cuck cude cudi cued cuek cui- cuit cuk- cuke cut- cutc cute cutt dbcc dbit dbtt dcbc dccb dccc dcci dcct dccu dcdb dcii dctc dddd ddie ddub debe debi debt debu dec- decc decd dece deci deck dect dedd dede dedi dedu deeb deed deek deet deid deie deit dek- deke dete detk deue deuk deut dibb dibe dice dici dick dict dide didi didu dieb died diet dieu diii dike diki diku dite diti ditt dkdc dkid dtcc dted dtek dtki dub- dubb dubc dube dubu duce duck duct dudd dude dudu duet duid duit duke duki dukt duku dute duut ebbc ebcc ebed ebic ebid ebit ecbc ecbe eccb eccc ecce ecci ecct ecdc eced ecib ecit ect- ectc eddc edde eddi ede- edei edie edik edit educ eede eedu eeee eeke eetc eete eetu eick eid- eide eidi eidu eiec eied eiei eike eiki eitb eitc eiti ekeb eked ekek eket ekki etbc etcc etec etee etic etik ette etti ettu etui eubc eubi eucd eude i-be ibec ibed ibet ibid ibie ibtb ibtc icbc icbd iccb iccc icci icct iccu icdc icdd icde icec iced icee icet icke icub icue idbe idce idec ided idee idic idid idie idku idub iecc ieet ieie iett ieud iicd iide iied iiie iiii iiit iitt iiuc ikee ikid ikki ikue itbe itec itek itet itic itie iucc iuce iuiu k-ci k-id kbbb kbbc kbbd kbbe kbbi kbbk kbbt kbbu kbcb kbce kbci kbck kbct kbcu kbdb kbde kbdi kbeb kbec kbed kbee kbek kbet kbib kbic kbid kbie kbik kbit kbiu kbkb kbkk kbtb kbtc kbte kbtk kbtt kbub kbuc kbud kbue kbuk kbut kbuu kcbc kcbd kcbi kcbk kcbu kccb kccc kccd kcci kcck kcct kccu kcdc kcdd kcdi kcdu kceb kcec kced kcee kcei kcet kceu kcic kcid kcie kcii kcit kciu kckc kckk kctb kctc kcte kcti kctu kcub kcue kcui kcuk kdbb kdbi kdcc kdcd kdce kddb kddc kddd kddi kddk kdeb kdec kdei kdet kdic kdkb kdkd kdkk kdkt kdtd kdti kdub kduc kdut kebb kebc kebe kebi kebt kebu keck kedb kedc kedd kede kedi kedt keed keek keet keib keid keii keik kekb kekc keke keki keku ket- ketc ketd kete keti ketk kett ketu kibb kibc kibe kibi kibt kibu kicb kicc kicd kice kick kict kidb kidd kide kidi kidk kidu kieu kiic kiid kiii kiik kiit kiiu kikc kikd kiki kikk kikt kiku kitc kite kiti kitt kitu kiuu kkbb kkbd kkbe kkbi kkbt kkcb kkcd kkci kkck kkct kkdc kkdd kkdt kked kkic kkid kkik kkit kkkk kktc kktk kktu kkut kkuu ktbb ktbc ktbt ktbu ktcc ktce ktck ktdb ktdc ktdd ktde ktdk ktec kted ktee ktek ktib ktic ktie ktik ktkb ktkc ktke ktkk ktkt ktku kttc ktti kttk kttt kttu ktub ktuc ktui kubb kubc kubd kube kubu kucb kucc kucd kuce kuci kudd kude kudi kudu kued kuei kuek kueu kuic kuie kuik kuke kuki kukk kuku kute kuti kutt kutu kuub kuuk kuuu tbcb tbcc tbcd tbce tbit tccc tccu tcdd tctc tddb tebu teck tect tedd tede tedi tedk teec teed teek teet teic teie teiu teke tete teti tett tetu teuk teut tibi tibu ticc tice tick tidc tidd tide tie- tied tiee tiei tiet tiit tiiu tike tiki tiku titc tite titi titt titu ttbb tttt tubb tube tubu tucc tuck tude tudi tudu tuei tuet tuik tuit tuiu tuke tute tuti tutt tutu u-ie ubbe ubbi ubek ubet ubic ubid ubii ubik ubit ubud ucbc ucci ucdc ucdd ucut udbc uddi udet udic udid uduk ueki ukcc ukek ukeu utec utid utik utti uttu uuuu