-er -ic b-u bbb bbc bbe bbh bbi bbk bbr bbu bcb bcc bce bch bci bck bcr bcu be- beb bec bee beh bei bek ber beu bhb bhc bhe bhh bhi bhk bhr bhu bi- bib bic bie bih bii bik bir biu bkb bkc bke bkk bkr brb bre brh bri brk brr bru bub buc bue buh bui buk bur buu c-- cbb cbc cbe cbh cbi cbk cbr cbu ccb ccc cce cch cci cck ccr ccu ce- ceb cec cee ceh cei cek cer ceu ch- chb chc che chh chi chk chr chu ci- cib cic cie cih cii cik cir ciu ckb ckc ckh cki crb crc cre crh cri crk crr cru cub cuc cue cuh cui cuk cur cuu ebb ebc ebe ebh ebi ebk ebr ebu ec- ecb ecc ece ech eci eck ecr ecu eeb eec eee eek eer ehb ehc ehe ehh ehi ehr ehu eib eic eie eii eik eir eiu ekb ekc eke ekh eki ekr eku erb erc ere erh eri erk err eru eu- eub euc eue eui eur h-i hbb hbc hbe hbh hbi hbk hbr hbu hcb hcc hce hch hci hck hcr he- heb hec hee heh hei hek her heu hhb hhc hhe hhh hhi hhk hhr hhu hib hic hie hih hii hik hir hiu hkb hkh hki hkk hkr hku hr- hrb hrc hre hrh hri hrk hrr hru hub huc hue huh hui huk hur huu ibb ibc ibe ibh ibi ibk ibr ibu icb icc ice ich ici ick icr icu ie- iec iee iei iek ier ihb ihc ihe ihh ihi ihk ihr ihu iib iic iie iih iii iir iiu ikb ikc ike iki ikk ikr iku ir- irb irc ire iri irk irr iru iu- iub iuc iue iui iur kbb kbc kbe kbh kbi kbk kbr kbu kcb kcc kce kch kci kck kcr kcu ke- keb kec kee keh kei kek ker khe khh khi khk khr khu kib kic kie kih kii kik kir kiu kkb kkc kke kkh kki kkk kkr kku krc kri krk krr kru kub kuc kue kuh kui kuk kur kuu rbb rbc rbe rbh rbi rbk rbr rbu rcb rcc rce rch rci rcr rcu re- reb rec ree reh rei rek rer reu rh- rhb rhc rhe rhh rhi rhr rhu rib ric rie rih rii rik rir rkb rkc rke rkk rku rrb rrc rrh rri rrk rrr rru rub ruc rue ruh rui ruk rur ruu ubb ubc ube ubh ubi ubk ubr ubu ucb ucc uce uch uci uck ucr ucu ueb uec uee ueh uei uer uhb uhc uhe uhh uhi uhr uhu uib uic uie uii uir uiu ukb ukc uke uki ukk ukr uku ur- urb urc ure uri urk urr uru uuc uue uur uuu

bbbb bbch bbci bbeb bbrc bcbc bccc bcci bcec bcer bche bcie bcru bcuc bebb bebe bebi bech beci beck becu beeb beek beer behr beic beik beir beke beki berc bere beri berk berr beru beuk beur bhcc bher bhie bhir bhur bhuu bibb bibe bibi bicc bice bich bici bick bieb bier bieu bihe bihi bihu bike bikh biku birb bire biri birk birr biru brcb brce breb brec bree brei brek brer bric brie brih brik brkb brrr bruc brue bruh bubb bube bubi bubu bucc buce buch buci buck bucu buer bueu buhe buhi buhr buic buie buik buir buiu buke bukh buki bukk buku bur- burb bure burh buri burk burr buru cbbc cbcc cbce cbcr cbcu cbec cbee cber cbir cbkr cbre cbrh ccbc cccb cccc ccci cccu ccee cche cchr ccic ccii ccir ccrc ccre ccri ccuc cebu cec- cece ceci ceeb ceec ceke cer- cerc cere ceri ceui chce chch chci cheb chec chee cheh chek cher cheu chib chic chie chih chik chir chiu chkb chrb chrc chrr chub chui chuk chur cibc cibe cibi cicc cich cici cicr cicu ciee cier cihr ciii cikr cirb circ cire cirh ciri cirk cirr ciuc ckbc ckbe ckbi ckch ckck cker ckrc crbc crbu crcc crce crcr cre- creb crec cree creh crei creu crib cric crie crik criu crkc crub crue cruk cub- cubb cube cubi cucc cuce cuci cuck cuek cuer cui- cuir cuk- cuke curb cure curi curr ebbc ebbr ebcc eber ebic ebru ebur ecbc ecbe eccb eccc ecce ecci eche ecib ecrc ecri ecrr ecru eeee eeke eerc ehcc eheh eher eheu ehre eich eick eiec eiei eier eike eiki eire ekch ekeb ekek eker ekki ekur erbb erbe ercc erce erch ereb erec erei erer erhc erhu eric erie erih erik eriu erke erki errc erre erub eruc eruh erur eubc eubi euch euer eur- eurc eure h-ii hbic hcbc hccb hccc hcch hchi hebb hebe hebi hebr hech heck heeb heek heer hehe heic heie heih heik heir heke heku herb herc here heri herk herr heru heue heui heuk heur hhhh hi-c hibi hibu hicc hice hich hick hiei hier hieu hihc hihe hihi hiie hiiu hike hiki hiku hire hiri hirk hiru hkbu hkcc hkir hree hrib hrrc hubb hube hubi huch huck hucu huer huhi huhu huib huie huik huir huke huki hure huri hurk hurr huru huub i-be ibec ibeh ibie ibrc ibri icbc iccb iccc icci iccr iccu icec icee icer ichc iche ichi ichr ichu icke icrc icre icrr icru icub icue iecc ieie iere ieri ihcc iher ihrc ihre ihub iiie iiii iirc iiuc ikee iker ikki ikri ikue irbe ircc ircu iree irer iri- iric irie irki irrc irre irri iucc iuce iuiu k-ci kbbb kbbc kbbe kbbi kbbk kbbr kbbu kbcb kbce kbch kbci kbck kbcr kbcu kbeb kbec kbee kbeh kbek kber kbhb kbhc kbhe kbhh kbhi kbhr kbib kbic kbie kbik kbiu kbkb kbkk kbkr kbrb kbrc kbre kbrh kbri kbrk kbru kbub kbuc kbue kbuk kbur kbuu kcbc kcbi kcbk kcbr kcbu kccb kccc