b-u bbb bbc bbd bbe bbk bbo bbu bcb bcc bcd bce bck bco bcu bdb bdc bdd bde bdk bdo bdu be- beb bec bed bee bek beo beu bkb bkc bke bkk bko bob boc bod boe bok boo bou bub buc bud bue buk buo buu c-- cbb cbc cbd cbe cbk cbo cbu ccb ccc ccd cce cck cco ccu cdb cdc cdd cde cdk cdo cdu ce- ceb cec ced cee cek ceo ceu ckb ckc ckd cko co- cob coc cod coe cok coo cou cub cuc cud cue cuk cuo cuu dbb dbc dbd dbe dbk dbo dbu dcb dcc dcd dce dck dco dcu ddb ddc ddd dde ddk ddo ddu de- deb dec ded dee dek deo deu dkb dkc dke dkk dko dku dob doc dod doe dok doo dou dub duc dud due duk duo ebb ebc ebd ebe ebk ebo ebu ec- ecb ecc ecd ece eck eco ecu ed- edb edc edd ede edk edo edu eeb eec eed eee eek eeo ekb ekc ekd eke eko eku eo- eob eoc eod eoe eok eoo eou eu- eub euc eud eue kbb kbc kbd kbe kbk kbo kbu kcb kcc kcd kce kck kcu kdb kdc kde kdk kdo kdu ke- keb kec ked kee kek keo kkb kkc kke kkk kku kob koc kod koe kok koo kou kub kuc kud kue kuk kuu ob- obb obc obd obe obk obo obu oc- ocb occ ocd ock oco ocu odb odc odd ode odo odu oeb oec oed oee oeo okb okc okd oke okk oko oku oo- oob ooc ood ook ooo ou- ouc oud oue ouk ouo ubb ubc ube ubk ubo ubu ucb ucc ucd uce uck uco ucu udb udc udd ude udk udo udu ueb uec ued uee ukb ukc uke ukk uku uob uoc uod uoe uok uoo uuc uue uuu

bbbb bbdd bbdo bbeb bcbc bccc bcde bcec bcuc bdbc bddc bebb bebe bebo beck becu bede bedo bedu beeb beed beek beke beko beo- beod beok beuk bobb bobe bobo bobu boce bock boco bocu bodb bode bodo bodu boec boee boeo boke boko boku boob booc bood booe book boud boue bouk bubb bube bubo bubu bucc buce buck buco bucu budb budd bude budo budu bueu buke bukk buko buku c-bo c-cd cbbc cbcc cbce cbcu cbdb cbdc cbdo cbec cbee cbko ccbc cccb cccc cccu ccdc cced ccee ccob ccoc ccod ccuc cd-e cddb cdec cebu cec- cece ceco cedd cede cedo cedu ceeb ceec ceke ceou ckbc ckbe ckck ckco ckdo ckdu ckob ckoc ckoo cobb cobe cobo cobu coce cock coco cocu codd code coed cok- coke coko coob cood cook coub coud coue couk cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke d-bo dbcc dcbc dccb dccc dccu dcdb dddd ddoc ddub debe debu dec- decc decd dece deck deco dedd dede dedo dedu deeb deed deek dek- deke deue deuk dkdc dobb dobe dobu doce dock doco docu dod- dodd dode dodo doek doke doko doob dood dook doub douc doud doue douk dub- dubb dubc dube dubu duce duck duco dudd dude dudo dudu duke duku duo- ebbc ebbo ebcc ebed eboe eboo ecbc ecbe eccb eccc ecce ecco ecdc eced ecko eco- ecod ecou eddc edde eddo ede- edoc edod edou educ eede eedu eeee eeke eeoc ekco ekeb eked ekek eocd eode eubc eucd eude kbbb kbbc kbbd kbbe kbbk kbbo kbbu kbcb kbce kbck kbco kbcu kbdb kbde kbdo kbeb kbec kbed kbee kbek kbeo kbkb kbkk kbko kbob kboc kbod kboe kbok kboo kbub kbuc kbud kbue kbuk kbuu kcbc kcbd kcbk kcbu kccb kccc kccd kcck kccu kcdc kcdd kcdu kceb kcec kced kcee kceo kceu kckc kckk kcko kcob kcoe kcou kcub kcue kcuk kdbb kdcc kdcd kdce kdco kddb kddc kddd kddk kdeb kdec kdkb kdkd kdkk kdko kdoc kdoe kdok kdub kduc kebb kebc kebe kebu keck keco kedb kedc kedd kede kedo keed keek kekb kekc keke keko keku keok kkbb kkbd kkbe kkbo kkcb kkcd kkck kkco kkdc kkdd kkdo kked kkkk kkob kkoo kkuu kobb kobc kobe kobk kobo kobu kocb kocd kock kode kodk kodo kodu koed kokb kokc koke kokk koko koku koob kooc kook kooo koou koub koue kouu kubb kubc kubd kube kubo kubu kucb kucc kucd kuce kuco kudd kude kudo kudu kued kuek kueu kuke kukk kuku kuok kuoo kuub kuuk kuuu o-eo obbo obec obed obkb oboe obok ocbc occc oce oced ocee ocke odbo oddd oded odeo odoo odou oec- oecc oedo oeec okcu oked okko okok oobe ooku oooo oucc oudc oude oued ouu- ubbe ubbo ubek uboc ubod ubud ucbc ucdc ucdd udbc udoo uduk ukcc ukek ukeu ukko ukok uocc uoke uuoc uuuu

b-e-d bbbee bbook bcced bckdk bcock bcode bebdo bebed bebek bebod becco becke becue bedde bedee bedok bedub bedue beduk beebe beede beeke bekke bekko bekok beode bo-bo bobek bobko boboc bobok bocce bocke bodd- boded bodoc bodoe boece boeck boedo boeke bokeo bokko bokod bokok booce boock booco boode booed booke booko bouce bouck boudu boued bouee bouke bouko bubbe bucco bucek buceo bucko bucku budde buddu budec budko budoc bukk- ccccc cduce cebec ceco- ceddo ceded ceede ceedo ceoce co-bo co-co co-ed cobbe cobue cocc- cocce cocco coceo cocke codco codde codec coded codo coked cokk- coode cooed cooee cooke couco coude cubbe cubeb cubed cubo- cubub cucuk cudde cuoco dc-uk ddddd ddebo ddeok debce debed debke deckc decke decko dedde dedee deece deede deked dekko deuce do-do dobec dobee dobok doced dodec dodoo dokdo dokuo dooce doodo dooke dooku douce douck doude douke du-ku dubbo dubec dubee dubek dubuc ducke duddo duded dudek dudok dudou duduc duduk duked dukeu dukku e-dee ebbed ebeko ebook eboue eddoe edeko edeo- edu-k educe educo eecke eeeee ekeko ekuku k-b-d k-dee kebbe kebek kebob kedco kedde kekec keked ko-ko kobee kobuk kocek kocke