-er bbb bbc bbe bbh bbk bbm bbo bbr bcb bcc bce bch bck bcm bco bcr be- beb bec bee beh bek bem beo ber bhb bhc bhe bhh bhk bhm bho bhr bkb bkc bke bkk bkm bko bkr bmb bmc bme bmh bmk bmm bmo bmr bob boc boe boh bok bom boo bor brb bre brh brk brm bro brr c-- cbb cbc cbe cbh cbk cbm cbo cbr ccb ccc cce cch cck ccm cco ccr ce- ceb cec cee ceh cek cem ceo cer ch- chb chc che chh chk chm cho chr ckb ckc ckh ckm cko cmb cmc cme cmh cmk cmm cmo cmr co- cob coc coe coh cok com coo cor crb crc cre crh crk crm cro crr ebb ebc ebe ebh ebk ebm ebo ebr ec- ecb ecc ece ech eck ecm eco ecr eeb eec eee eek eem eeo eer ehb ehc ehe ehh ehm eho ehr ekb ekc eke ekh eko ekr em- emb emc eme emh emk emm emo emr eo- eob eoc eoe eoh eok eom eoo eor erb erc ere erh erk erm ero err hbb hbc hbe hbh hbk hbm hbo hbr hcb hcc hce hch hck hcm hco hcr he- heb hec hee heh hek hem heo her hhb hhc hhe hhh hhk hhm hho hhr hkb hkh hkk hkm hko hkr hmb hmc hme hmh hmk hmm hmo hmr hob hoc hoe hoh hok hom hoo hor hr- hrb hrc hre hrh hrk hrm hro hrr kbb kbc kbe kbh kbk kbm kbo kbr kcb kcc kce kch kck kcm kcr ke- keb kec kee keh kek kem keo ker khe khh khk khm kho khr kkb kkc kke kkh kkk kkm kkr kmb kmc kme kmh kmk kmm kmo kob koc koe koh kok kom koo kor krc krk kro krr m-o m-r mbb mbc mbe mbh mbk mbm mbo mbr mc- mcb mcc mce mch mck mcm mco mcr meb mec mee meh mek mem meo mer mhc mhh mhk mhm mho mhr mkb mkc mke mkh mkk mkm mko mkr mmb mmc mme mmh mmk mmm mmo mmr mob moc moe moh mok mom moo mor mrb mrc mre mrh mrk mrm mro mrr ob- obb obc obe obh obk obm obo obr oc- ocb occ och ock ocm oco ocr oeb oec oee oeh oem oeo oer ohc ohe ohh ohm oho ohr okb okc oke okk oko okr om- omb omc ome omh omm omo omr oo- oob ooc ooh ook oom ooo oor or- orb orc ore orh ork orm oro orr rbb rbc rbe rbh rbk rbm rbo rbr rcb rcc rce rch rcm rco rcr re- reb rec ree reh rek rem reo rer rh- rhb rhc rhe rhh rhm rho rhr rkb rkc rke rkk rkm rko rmb rmc rme rmh rmm rmo rmr rob roc roe roh rok rom roo ror rrb rrc rrh rrk rrm rrr

bbbb bbch bbcm bbeb bbrc bcbc bccc bccm bcec bcer bche bcor bebb bebe bebo bech beck beeb beek beem beer behm behr beke beko beme beo- beok beor berc bere berk berm bero berr bhcc bher bhor bmce bmoc bobb bobe bobo boce boch bock bocm boco boec boee boeo boer bohm boho bohr boke boko bomb bome boob booc booe booh book boom boor bor- bore borh bork borm boro borr brcb brce breb brec bree brek brem breo brer brkb brmc brob broc broe broh brok brom broo bror brrm brrr c-bo cbbc cbcc cbce cbcm cbcr cbec cbee cber cbkm cbko cbkr cbme cbre cbrh cbrm ccbc cccb cccc cccm ccee cche cchr cckm ccmb ccmc ccmm ccob ccoc ccom ccrc ccre cec- cece cecm ceco ceeb ceec ceem ceke cemb ceme cemm cemr ceor cer- cerc cere cero chce chch chcm cheb chec chee cheh chek chem cher chkb chmb chmc chmo choc choh chok choo chor chrb chrc chro chrr ckbc ckbe ckch ckck ckcm ckco ckem cker ckmo ckob ckoc ckom ckoo ckor ckrc ckrm cmbc cmcc cmec cmhc cmmb cmmc cmoc cmrr cobb cobe cobh cobo coce coch cock coco coho cok- coke coko com- comb comc come comm como comr coob cooh cook coom cor- corb corc core cork corm coro corr crbc crcc crce crcr cre- creb crec cree creh crem creo crkc crmb crmo crob croc croe croh crok crom croo cror ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ecbc ecbe eccb eccc ecce eccm ecco ecem eche echo ecko eco- ecrc ecrm ecrr eeee eeke eemo eeoc eerc eero ehcc eheh eher ehre ekch ekco ekeb ekek eker ekho embe embo embr emcc emco emek emer emhc emme emoh emor emre eore erbb erbe ercc erce erch ereb erec erem erer erhc erke ermc erme ermo erob eroc eroe eroo errc erre erro hboc hcbc hccb hccc hcch hcmc hcmm hebb hebe hebo hebr hech heck heeb heek heem heer hehe heho heke hem- heme hemo heom heor herb herc here herk herm hero herr hhhh hkcc hkmo hmhb hmmm hobe hobo hoce hoch hock hocr hoek hoer hohe hohm hoho hoke hoko hom- home homo homr hooe hook hoom hoor horc hore hork horo horr hree hrob hrrc kbbb kbbc kbbe kbbk kbbm kbbo kbbr kbcb kbce kbch kbck kbco kbcr kbeb kbec kbee kbeh kbek kbeo kber kbhb kbhc kbhe kbhh kbhm kbhr kbkb kbkk kbko kbkr kbmb kbmc kbme kbmo kbmr kbob kboc kboe kbok kboo kbrb kbrc kbre kbrh kbrk kbro kcbc kcbk kcbr kccb kccc kcck kccr kceb kcec kcee kceo kche kchh kchk kcho kchr kckc kckk kckm kcko kckr kcmb kcmc kcme kcmh kcmk kcmm kcmo kcmr kcob kcoe kcoh kcom kcor kcrc kcrh kcro kcrr kebb kebc kebe kebr kech keck keco kecr keeh keek keem keer kehk kehr kekb kekc keke keko kemb kemc keme kemm kemo kemr keok keom ker- kerb kerc kere kerk kerm kero kerr khbc khbm