-er -ic -th b-u bbb bbc bbe bbh bbi bbk bbr bbs bbt bbu bcb bcc bce bch bci bck bcr bcs bct bcu be- beb bec bee beh bei bek ber bes bet beu bhb bhc bhe bhh bhi bhk bhr bhs bht bhu bi- bib bic bie bih bii bik bir bis bit biu bkb bkc bke bkk bkr bks bkt brb bre brh bri brk brr brs brt bru bsb bsc bse bsh bsi bsk bsr bss bst bsu btb btc bte bth bti btk btr bts btt btu bub buc bue buh bui buk bur bus but buu c-- cbb cbc cbe cbh cbi cbk cbr cbs cbt cbu ccb ccc cce cch cci cck ccr ccs cct ccu ce- ceb cec cee ceh cei cek cer ces cet ceu ch- chb chc che chh chi chk chr chs cht chu ci- cib cic cie cih cii cik cir cis cit ciu ckb ckc ckh cki cks ckt crb crc cre crh cri crk crr crs crt cru csb csc cse csh csi csk csr css cst csu ctb ctc cte cth cti ctk ctr cts ctt ctu cub cuc cue cuh cui cuk cur cus cut cuu ebb ebc ebe ebh ebi ebk ebr ebs ebt ebu ec- ecb ecc ece ech eci eck ecr ecs ect ecu eeb eec eee eek eer ees eet ehb ehc ehe ehh ehi ehr ehs eht ehu eib eic eie eii eik eir eis eit eiu ekb ekc eke ekh eki ekr eks ekt eku erb erc ere erh eri erk err ers ert eru es- esb esc ese esh esi esk esr ess est esu etb etc ete eth eti etk etr ets ett etu eu- eub euc eue eui eur eus eut h-i hbb hbc hbe hbh hbi hbk hbr hbs hbt hbu hcb hcc hce hch hci hck hcr hcs hct he- heb hec hee heh hei hek her hes het heu hhb hhc hhe hhh hhi hhk hhr hhs hht hhu hib hic hie hih hii hik hir his hit hiu hkb hkh hki hkk hkr hks hkt hku hr- hrb hrc hre hrh hri hrk hrr hrs hrt hru hsb hsc hse hsh hsi hsk hsr hss hst hsu htb htc hte hth hti htk htr hts htt hub huc hue huh hui huk hur hus hut huu ibb ibc ibe ibh ibi ibk ibr ibs ibt ibu icb icc ice ich ici ick icr ics ict icu ie- iec iee iei iek ier ies iet ihb ihc ihe ihh ihi ihk ihr ihs iht ihu iib iic iie iih iii iir iis iit iiu ikb ikc ike iki ikk ikr iks ikt iku ir- irb irc ire iri irk irr irs irt iru is- isb isc ise ish isi isk isr iss ist isu itb itc ite ith iti itk its itt itu iu- iub iuc iue iui iur ius iut k-t kbb kbc kbe kbh kbi kbk kbr kbs kbu kcb kcc kce kch kci kck kcr kcs kct kcu ke- keb kec kee keh kei kek ker kes ket khe khh khi khk khr khs khu kib kic kie kih kii kik kir kis kit kiu kkb kkc kke kkh kki kkk kkr kks kkt kku krc kri krk krr krs krt kru ksb ksc kse ksh ksi ksk ksr kss kst ksu ktb ktc kte kth ktk ktr kts ktt ktu kub kuc kue kuh kui kuk kur kus kut kuu rbb rbc rbe rbh rbi rbk rbr rbs rbt rbu rcb rcc rce rch rci rcr rcs rct rcu re- reb rec ree reh rei rek rer res ret reu rh- rhb rhc rhe rhh rhi rhr rhs rht rhu rib ric rie rih rii rik rir ris rit rkb rkc rke rkk rks rkt rku rrb rrc rrh rri rrk rrr rrs rrt rru rsb rsc rse rsh rsi rsk rsr rss rst rsu rtb rtc rte rti rtk rtr rts rtt rtu rub ruc rue ruh rui ruk rur rus rut ruu sbb sbc sbe sbh sbi sbk sbr sbs sbt sbu scb scc sce sch sci sck scr scs sct scu se- seb sec see seh sei sek ser ses set seu sh- shb shc she shh shi shk shr shs sht shu sib sic sie sih sii sik sir sis sit siu sk- skb skc ske skh ski skk skr sks skt sku sr- srb src sre srh sri srk srr srs srt ss- ssb ssc sse ssh ssi ssk ssr sss sst ssu stb stc ste sth sti stk str sts stt stu sub suc sue suh sui suk sur sus sut suu tbb tbc tbe tbh tbi tbk tbr tbs tbt tbu tcb tcc tce tch tci tck tcr tcs tct tcu te- teb tec tee teh tei tek ter tes tet teu th- thb thc the thh thi thk thr ths tht thu tib tic tie tih tii tik tir tis tit tiu tkb tkc tke tkk tkr tks tkt trb trc tre trh tri trk trr trs trt tru tsb tsc tse tsh tsi tsk tsr tss tst tsu ttb ttc tte tth tti ttk ttr tts ttt ttu tub tuc tue tuh tui tuk tur tus tut tuu ubb ubc ube ubh ubi ubk ubr ubs ubt ubu ucb ucc uce uch uci uck ucr ucs uct ucu ueb uec uee ueh uei uer ues uet uhb uhc uhe uhh uhi uhr uhs uht uhu uib uic uie uii uir uis uit uiu ukb ukc uke uki ukk ukr uku ur- urb urc ure uri urk urr urs urt uru usb usc use ush usi usk usr uss ust usu utb utc ute uth uti utk utr uts utt utu uuc uue uur uus uut uuu

bbbb bbbs bbch bbci bbeb bbet bbhs bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcet bche bchs bcie bcis bcit bcrs bcru bcsc bcss bctc bcts bcuc bebb bebe bebi bech