-er -th b-u bbb bbc bbd bbe bbh bbr bbt bbu bcb bcc bcd bce bch bcr bct bcu bdb bdc bdd bde bdh bdr bdt bdu be- beb bec bed bee beh ber bet beu bhb bhc bhd bhe bhh bhr bht bhu brb brd bre brh brr brt bru btb btc btd bte bth btr btt btu bub buc bud bue buh bur but buu c-- cbb cbc cbd cbe cbh cbr cbt cbu ccb ccc ccd cce cch ccr cct ccu cdb cdc cdd cde cdh cdr cdt cdu ce- ceb cec ced cee ceh cer cet ceu ch- chb chc chd che chh chr cht chu crb crc crd cre crh crr crt cru ctb ctc ctd cte cth ctr ctt ctu cub cuc cud cue cuh cur cut cuu dbb dbc dbd dbe dbh dbr dbt dbu dcb dcc dcd dce dcr dct dcu ddb ddc ddd dde ddh ddr ddt ddu de- deb dec ded dee deh der det deu dh- dhb dhc dhd dhe dhh dhr dht dhu drb drc drd dre drr drt dru dtb dtc dtd dte dth dtr dtt dtu dub duc dud due duh dur dut ebb ebc ebd ebe ebh ebr ebt ebu ec- ecb ecc ecd ece ech ecr ect ecu ed- edb edc edd ede edh edr edt edu eeb eec eed eee eer eet ehb ehc ehd ehe ehh ehr eht ehu erb erc erd ere erh err ert eru etb etc etd ete eth etr ett etu eu- eub euc eud eue eur eut hbb hbc hbd hbe hbh hbr hbt hbu hcb hcc hcd hce hch hcr hct hdb hdc hdd hde hdh hdr hdt hdu he- heb hec hed hee heh her het heu hhb hhc hhd hhe hhh hhr hht hhu hr- hrb hrc hrd hre hrh hrr hrt hru htb htc htd hte hth htr htt hub huc hud hue huh hur hut huu rbb rbc rbd rbe rbh rbr rbt rbu rcb rcc rcd rce rch rcr rct rcu rdb rdc rdd rde rdh rdr rdt rdu re- reb rec red ree reh rer ret reu rh- rhb rhc rhd rhe rhh rhr rht rhu rrb rrc rrd rrh rrr rrt rru rtb rtc rtd rte rtr rtt rtu rub ruc rud rue ruh rur rut ruu tbb tbc tbd tbe tbh tbr tbt tbu tcb tcc tcd tce tch tcr tct tcu tdb tdc tdd tde tdh tdr tdt tdu te- teb tec ted tee teh ter tet teu th- thb thc thd the thh thr tht thu trb trc trd tre trh trr trt tru ttb ttc ttd tte tth ttr ttt ttu tub tuc tud tue tuh tur tut tuu ubb ubc ube ubh ubr ubt ubu ucb ucc ucd uce uch ucr uct ucu udb udc udd ude udr udt udu ueb uec ued uee ueh uer uet uhb uhc uhd uhe uhh uhr uht uhu ur- urb urc urd ure urr urt uru utb utc utd ute uth utr utt utu uuc uue uur uut uuu

bbbb bbch bbdd bbeb bbet bbrc bcbc bccc bcde bcec bcer bcet bchd bche bcru bctc bcuc bd-r bdbc bddc bddh bebb bebe bech becu bede bedu beeb beed beer beet behr berc berd bere berr bert beru betc bete beth bett betu beur bhcc bher bhet bhrt bhur bhut bhuu brcb brce brdt breb brec bred bree brer bret brrr brtc bruc brud brue bruh brut btcc btdt btec btrc btrt bttb bubb bube bubu bucc buce buch bucu budb budd bude budu buer bueu buhe buhr bur- burb burd bure burh burr burt buru but- bute butt c-cd cbbc cbcc cbce cbcr cbct cbcu cbdb cbdc cbec cbee cber cbet cbrd cbre cbrh cbrt cbtc ccbc cccb cccc cccu ccdc ccdh ccdr cced ccee cche cchr ccrc ccre ccrt cctb cctc cctt ccuc ccut cd-e cd-r cddb cddr cdec cder cdre cebu cec- cece cect cedd cede cedt cedu ceeb ceec cer- cerc cerd cere cert cet- cete chce chch cheb chec ched chee cheh cher chet cheu chrb chrc chrd chrr chrt chtr chtt chub chud chur chut crbc crbu crcc crce crcr crdc cre- creb crec cred cree creh cret creu crrt crtc crub crud crue crut ctec ctrc cub- cubb cube cucc cuce cude cued cuer curb curd cure curr curt cut- cutc cute cuth cutt dbcc dbtt dcbc dccb dccc dcct dccu dcdb dche dctc dddd ddrc ddre ddub debe debt debu dec- decc decd dece dect dedd dede dedu deeb deed deer deet dehu der- derb derc dere derr dete deth detr deue deur deut dhec dhed dhee dher dhur drbc dred dree dreh dret drub drue drut druu dtcc dted dthd dub- dubb dubc dube dubh dubu duce duch duct dudd dude dudu duer duet duhe duhr duhu dure durt duru dute duur duut ebbc ebbr ebcc ebed eber ebru ebur ecbc ecbe eccb eccc ecce ecct ecdc eced eche echt ecrc ecrr ecru ect- ectc ecth eddc edde ede- edeh eder edru educ edur eede eedu eeee eerc eetc eete eeth eetu ehcc ehdd eheh eher eheu ehre ehte ehud erbb erbe ercc erce erch erde ereb erec ered erer eret erhc erhu errc erre erth ertu erub eruc eruh erur etbc etbr etcc etch etec etee eter eth- ethe etre ette ettu eubc eucd euch eude euer eur- eurc eure eurt euth hbcd hbtu hcbc hccb hccc hcch hcdr hcrd hdtt hebb hebe hebr hech hect hedd hede heeb heed heer heet hehe herb herc herd here herr hert heru hete heth hett hetu heue heur hhhh hrdc hree hrrc hrtb hrte hrud htcc htet httr hubb hube huch hucu hudd hude hudu hued huer huet huhu hurd hure hurr hurt huru hute huth hutt hutu huub rbbb rbbr rcbc rccb rccc rcdc rcde rcet rchb rcrd rctc rder rebb rebe rebu recc recd rece rech recr rect recu redc redd rede redh redr redu reeb reed reet