-er -ol bbb bbc bbe bbh bbk bbl bbo bbr bcb bcc bce bch bck bcl bco bcr be- beb bec bee beh bek bel beo ber bhb bhc bhe bhh bhk bhl bho bhr bkb bkc bke bkk bkl bko bkr blb blc ble blh blk bll blo blr bob boc boe boh bok bol boo bor brb bre brh brk brl bro brr c-- cbb cbc cbe cbh cbk cbl cbo cbr ccb ccc cce cch cck ccl cco ccr ce- ceb cec cee ceh cek cel ceo cer ch- chb chc che chh chk chl cho chr ckb ckc ckh cko cl- clb clc cle clh clk cll clo clr co- cob coc coe coh cok col coo cor crb crc cre crh crk crl cro crr ebb ebc ebe ebh ebk ebl ebo ebr ec- ecb ecc ece ech eck ecl eco ecr eeb eec eee eek eel eeo eer ehb ehc ehe ehh ehl eho ehr ekb ekc eke ekh ekl eko ekr elb elc ele elh elk ell elo elr eo- eob eoc eoe eoh eok eol eoo eor erb erc ere erh erk erl ero err hbb hbc hbe hbh hbk hbl hbo hbr hcb hcc hce hch hck hcl hco hcr he- heb hec hee heh hek hel heo her hhb hhc hhe hhh hhk hhl hho hhr hkb hkh hkk hkl hko hkr hlb hlc hle hlh hll hlo hlr hob hoc hoe hoh hok hol hoo hor hr- hrb hrc hre hrh hrk hrl hro hrr kbb kbc kbe kbh kbk kbl kbo kbr kcb kcc kce kch kck kcl kcr ke- keb kec kee keh kek kel keo ker khe khh khk kho khr kkb kkc kke kkh kkk kkl kkr kl- klb klc klh klo klr kob koc koe koh kok kol koo kor krc krk krl kro krr lbb lbc lbe lbh lbk lbl lbo lbr lcb lcc lce lch lck lcl lco lcr leb lec lee leh lek lel leo ler lhb lhc lhh lhk lho lhr lkb lkh lkl lkr llb llc lle llk lll llo llr lob loc loe loh lok lol loo lor lrb lrc lrh lrk lro lrr ob- obb obc obe obh obk obl obo obr oc- ocb occ och ock ocl oco ocr oeb oec oee oeh oel oeo oer ohc ohe ohh ohl oho ohr okb okc oke okk okl oko okr olb olc ole olk oll olo oo- oob ooc ooh ook ool ooo oor or- orb orc ore orh ork orl oro orr rbb rbc rbe rbh rbk rbl rbo rbr rcb rcc rce rch rcl rco rcr re- reb rec ree reh rek rel reo rer rh- rhb rhc rhe rhh rhl rho rhr rkb rkc rke rkk rko rlc rle rlh rll rlo rlr rob roc roe roh rok rol roo ror rrb rrc rrh rrk rrl rrr

bbbb bbch bbeb bblb bbrc bcbc bccc bccl bcec bcer bche bcor bebb bebe bebo bech beck beeb beek beel beer behr beke beko bele belk bell belo beo- beok beor berc bere berk bero berr bhcc bhel bher bhor bleb blee bleh blek bleo blkb blob bloc blok bloo blrc bobb bobe bobo boce boch bock boco boec boee boel boeo boer bohl boho bohr boke boko bole bolk boll bolo boob booc booe booh book bool boor bor- bore borh bork boro borr brcb brce breb brec bree brek brel breo brer brkb brob broc broe broh brok brol broo bror brrr c-bo cbbc cbcc cbce cbcl cbcr cbec cbee cber cbhl cbkl cbko cbkr cblb cblc cbol cbre cbrh cbrl ccbc cccb cccc cccl ccee ccel cche cchl cchr cclc ccob ccoc ccrc ccre ccrl cec- cece ceco ceeb ceec ceel cehl ceke cel- celc cele cell celo ceol ceor cer- cerc cere cerl cero chce chch cheb chec chee cheh chek chel cher chkb chlc chlr choc choh chok chol choo chor chrb chrc chro chrr ckbc ckbe ckch ckck ckcl ckco cker ckob ckoc ckoo ckor ckrc clec clee clek cleo cler clob cloe clok cloo clor clro cobb cobe cobh cobo coce coch cock coco coel coho cok- coke coko col- colb cole colk coll colo coob cooh cook cool cor- corb corc core cork corl coro corr crbc crcc crce crcr cre- creb crec cree creh creo crkc crkl crob croc croe croh crok crol croo cror e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebro ecbc ecbe eccb eccc ecce eccl ecco eche echl echo ecko eco- ecol ecrc ecrl ecrr eeee eeke eele eeoc eerc eero ehcc eheh ehel eher ehle ehlo ehre ekch ekco ekeb ekek eker ekho el-b elbe elbo elcb elce elch elco elec elee eleh elek eleo eler elke elko elle ello elok elro eole eolo eore eorl erbb erbe ercc erce erch ereb erec erel erer erhc erke erle erll erob eroc eroe erol eroo errc erre erro hboc hcbc hccb hccc hcch hebb hebe hebo hebr hech heck heeb heek heel heer hehe heho heke hele helk hell helo heor herb herc here herk herl hero herr hhcl hhhh hkcc hkcl hler hobe hobo hoce hoch hock hocr hoek hoel hoer hohe hohl hoho hoke hoko hol- holb holc hole holh holk holl holo hooe hook hool hoor horc hore hork horl horo horr hrbl hree hrob hrrc k-lo kbbb kbbc kbbe kbbk kbbl kbbo kbbr kbcb kbce kbch kbck kbcl kbco kbcr kbeb kbec kbee kbeh kbek kbel kbeo kber kbhb kbhc kbhe kbhh kbhl kbhr kbkb kbkk kbkl kbko kbkr kblb kble kbll kblo kblr kbob kboc kboe kbok kboo kbrb kbrc kbre kbrh kbrk kbrl kbro kcbc kcbk kcbl kcbr kccb kccc kcck kccl kccr kceb kcec kcee kcel kceo kche kchh kchk kchl kcho kchr kckc kckk kckl kcko kckr kclc kcle kclh kclk kcll kclr kcob kcoe kcoh kcol kcor kcrc kcrh kcro kcrr kebb kebc kebe kebr kech keck keco kecr keeh keek