-er b-p bbb bbd bbe bbf bbk bbo bbp bbr bdb bdd bde bdf bdk bdo bdp bdr be- beb bed bee bef bek beo bep ber bfb bfd bfe bff bfo bfp bfr bkb bke bkf bkk bko bkp bkr bob bod boe bof bok boo bop bor bpb bpd bpe bpf bpo bpp bpr brb brd bre brf brk bro brp brr dbb dbd dbe dbf dbk dbo dbp dbr ddb ddd dde ddf ddk ddo ddp ddr de- deb ded dee def dek deo dep der dfb dfd dfe dff dfk dfo dfp dfr dkb dke dkk dko dkp dkr dob dod doe dof dok doo dop dor dpb dpd dpe dpf dpk dpo dpp dpr drb drd dre drk dro drp drr ebb ebd ebe ebf ebk ebo ebp ebr ed- edb edd ede edf edk edo edp edr eeb eed eee eef eek eeo eep eer ef- efb efd efe eff efo efp efr ekb ekd eke ekf eko ekp ekr eo- eob eod eoe eof eok eoo eop eor ep- epb epd epe epf epo epp epr erb erd ere erf erk ero erp err fbb fbd fbe fbf fbk fbo fbp fbr fdb fdd fde fdf fdk fdo fdp fdr feb fed fee fef fek feo fep fer ffd ffe fff ffk ffo ffp ffr fkb fkf fkk fkp fob foe fof fok foo fop for fpb fpd fpe fpk fpo fpp fpr frb frd fre frf frk fro frp frr kbb kbd kbe kbf kbk kbo kbp kbr kdb kde kdf kdk kdo kdp kdr ke- keb ked kee kef kek keo kep ker kfd kff kfo kkb kke kkk kkp kkr kob kod koe kof kok koo kop kor kpd kpe kpf kpk kpo kpp kpr krd krf krk kro krp krr ob- obb obd obe obf obk obo obp obr odb odd ode odf odo odp odr oeb oed oee oef oeo oep oer of- ofb ofd ofe off ofo ofp ofr okb okd oke okk oko okp okr oo- oob ood oof ook ooo oop oor op- opb opd ope opf opk opo opp opr or- orb ord ore orf ork oro orp orr p-p pbb pbd pbe pbf pbk pbo pbp pbr pdb pdd pde pdf pdk pdo pdp pdr peb ped pee pef pek peo pep per pfb pfd pfe pff pfk pfo pfp pfr pkb pkd pke pkf pko pkp pkr pob pod poe pof pok poo pop por ppb ppd ppe ppf ppk ppo ppp ppr prb prd pre prf prk pro prp prr rbb rbd rbe rbf rbk rbo rbp rbr rdb rdd rde rdf rdo rdp rdr re- reb red ree ref rek reo rep rer rfb rfd rfe rff rfk rfo rfp rfr rkb rke rkf rkk rko rkp rob rod roe rof rok roo rop ror rpb rpd rpe rpf rpk rpo rpp rpr rrb rrd rrf rrk rrp rrr

bbbb bbdd bbdo bbeb bbpr bd-r bebb bebe bebo bede bedo beeb beed beef beek beep beer befe beff befo beke beko beo- beod beof beok beor bepo berd bere berk bero berr bfpo bfpp bkpr bobb bobe bobo bodb bode bodo boee boef boeo boep boer bofd bofe boff boke boko boob bood booe boof book boop boor bope bopp bor- bord bore borf bork boro borr bpoe bprd brdo breb bred bree bref brek breo brep brer brkb brob brod broe brok broo bror brrr d-bo dbfo dbpd dbpf dddd ddpo ddre debe dedd dede dedo deeb deed deef deek deep deer defe deff defo dek- deke deop deor depe depo depp depr der- derb dere derf derk dero derp derr dfer dfoe dfrf dobb dobe dod- dodd dode dodo doek doer doff doke doko doob dood doof dook doop door dope dopo dopp dopr dord dore dorf dork doro dorp dorr dper dprk dred dree dref drek drob drod drof drop ebbo ebbr ebed eber eboe eboo ebor ebpo ebro edde eddo eddp ede- eder edod eede eeee eefe eeke eero efbr efeo efke efor ekeb eked ekek eker ekpe ekpo eode eore epee eper epod epor eppo eppp eprb epro eprp erbb erbe erde erdf ereb ered erer erke erob erod eroe eroo erpe erre erro f--k fbop febo fede feeb feed feek feer fefe feff fefo feke feko feod feof ferb ferd fere ferk fero ferr ffee ffff ffrr fkbp fode foed foer fofo foke food foof fook fopp for- forb ford fore fork foro forr fprf fred free freo frep frob froe frop frpd kbbb kbbd kbbe kbbf kbbk kbbo kbbr kbdb kbde kbdf kbdo kbdr kbeb kbed kbee kbef kbek kbeo kber kbfb kbff kbfk kbfo kbfp kbfr kbkb kbkf kbkk kbko kbkr kbob kbod kboe kbok kboo kbpe kbpk kbpo kbpr kbrb kbrd kbre kbrf kbrk kbro kdbb kdbr kddb kddd kddf kddk kddr kdeb kdef kdep kdfo kdfr kdkb kdkd kdkk kdko kdkr kdoe kdok kdpr kdrb kdrf kdro kebb kebe kebr kedb kedd kede kedo kedp kedr keed keef keek keep keer kefb keff kefr kekb keke keko keok kep- kepd kepe ker- kerb kere kerf kerk kero kerp kerr kfbk kfeb kfed kfer kffb kfff kffk kfkb kfok kfoo kfor kfpr kfrd kfre kfro kfrp kfrr kkbb kkbd kkbe kkbo kkbr kkdd kkdo kked kkfr kkkk kkob kkoo kkor kkpk kkrb kkre kkrf kkrk kkro kkrr kobb kobe kobk kobo kobr kode kodk kodo koed kofe koff kofk kofo kofp kokb koke kokf kokk koko kokp kokr koob kook kooo koop koor kopb kope kopf kopp kopr korb kord kore korf kork koro korr kpbb kpbd kpbe kpbr kpdb kpdf kpdo kpdr kpek kper kpfk kpfr kpke kpkk kpkr kpob kpod kpoe kpof kpok kpoo kpop kppd kppk kppo kppp kppr kprb kprd kpre kprf kprk kpro kprp kprr krbb krbd krbe krbk krbr krdd krde krdo krdr kreb kred kree kref krek kreo krfd krfe krff krfo krfp krkd krke krkk krko krkr krob krod kroe krof krok kroo