-er -ic -th b-u bbb bbc bbe bbh bbi bbk bbl bbn bbr bbs bbt bbu bcb bcc bce bch bci bck bcl bcn bcr bcs bct bcu be- beb bec bee beh bei bek bel ben ber bes bet beu bhb bhc bhe bhh bhi bhk bhl bhr bhs bht bhu bi- bib bic bie bih bii bik bil bin bir bis bit biu bkb bkc bke bkk bkl bkn bkr bks bkt blb blc ble blh bli blk bll bln blr bls blt blu bnb bnc bne bni bnk bnl bnn bnr bns bnt bnu brb bre brh bri brk brl brn brr brs brt bru bsb bsc bse bsh bsi bsk bsl bsn bsr bss bst bsu btb btc bte bth bti btk btl btn btr bts btt btu bub buc bue buh bui buk bul bun bur bus but buu c-- cbb cbc cbe cbh cbi cbk cbl cbn cbr cbs cbt cbu ccb ccc cce cch cci cck ccl ccn ccr ccs cct ccu ce- ceb cec cee ceh cei cek cel cen cer ces cet ceu ch- chb chc che chh chi chk chl chn chr chs cht chu ci- cib cic cie cih cii cik cil cin cir cis cit ciu ckb ckc ckh cki cks ckt cl- clb clc cle clh cli clk cll cln clr cls clt clu cn- cnb cnc cne cnh cni cnl cnn cnr cns cnt cnu crb crc cre crh cri crk crl crn crr crs crt cru csb csc cse csh csi csk csl csn csr css cst csu ctb ctc cte cth cti ctk ctl ctn ctr cts ctt ctu cub cuc cue cuh cui cuk cul cun cur cus cut cuu ebb ebc ebe ebh ebi ebk ebl ebn ebr ebs ebt ebu ec- ecb ecc ece ech eci eck ecl ecn ecr ecs ect ecu eeb eec eee eek eel een eer ees eet ehb ehc ehe ehh ehi ehl ehn ehr ehs eht ehu eib eic eie eii eik eil ein eir eis eit eiu ekb ekc eke ekh eki ekl ekr eks ekt eku elb elc ele elh eli elk ell eln elr els elt elu en- enb enc ene enh eni enk enl enn enr ens ent enu erb erc ere erh eri erk erl ern err ers ert eru es- esb esc ese esh esi esk esl esn esr ess est esu etb etc ete eth eti etk etl etn etr ets ett etu eu- eub euc eue eui eul eun eur eus eut h-i hbb hbc hbe hbh hbi hbk hbl hbn hbr hbs hbt hbu hcb hcc hce hch hci hck hcl hcn hcr hcs hct he- heb hec hee heh hei hek hel hen her hes het heu hhb hhc hhe hhh hhi hhk hhl hhn hhr hhs hht hhu hib hic hie hih hii hik hil hin hir his hit hiu hkb hkh hki hkk hkl hkn hkr hks hkt hku hlb hlc hle hlh hli hll hln hlr hls hlt hlu hnb hnc hne hnh hnk hnl hnn hns hnt hnu hr- hrb hrc hre hrh hri hrk hrl hrn hrr hrs hrt hru hsb hsc hse hsh hsi hsk hsl hsn hsr hss hst hsu htb htc hte hth hti htk htl htn htr hts htt hub huc hue huh hui huk hul hun hur hus hut huu ibb ibc ibe ibh ibi ibk ibl ibn ibr ibs ibt ibu icb icc ice ich ici ick icl icn icr ics ict icu ie- iec iee iei iek iel ien ier ies iet ihb ihc ihe ihh ihi ihk ihl ihn ihr ihs iht ihu iib iic iie iih iii iil iin iir iis iit iiu ikb ikc ike iki ikk ikl ikr iks ikt iku il- ilb ilc ile ilh ili ilk ill iln ilr ils ilt ilu in- inb inc ine inh ini ink inl inn inr ins int inu ir- irb irc ire iri irk irl irn irr irs irt iru is- isb isc ise ish isi isk isl isn isr iss ist isu itb itc ite ith iti itk itl itn its itt itu iu- iub iuc iue iui iur ius iut k-t kbb kbc kbe kbh kbi kbk kbl kbn kbr kbs kbu kcb kcc kce kch kci kck kcl kcn kcr kcs kct kcu ke- keb kec kee keh kei kek kel ken ker kes ket khe khh khi khk khn khr khs khu kib kic kie kih kii kik kil kin kir kis kit kiu kkb kkc kke kkh kki kkk kkl kkn kkr kks kkt kku kl- klb klc klh kli klr kls klt klu kn- knc kne kni knk knl knn knr knt knu krc kri krk krl krn krr krs krt kru ksb ksc kse ksh ksi ksk ksl ksn ksr kss kst ksu ktb ktc kte kth ktk ktl ktn ktr kts ktt ktu kub kuc kue kuh kui kuk kul kun kur kus kut kuu lbb lbc lbe lbh lbi lbk lbl lbr lbs lbt lbu lcb lcc lce lch lci lck lcl lcn lcr lcs lct lcu leb lec lee leh lei lek lel len ler les let leu lhb lhc lhh lhi lhk lhr lhs lht lhu lib lic lie lih lii lik lil lin lir lis lit liu lkb lkh lkl lkr lks lkt llb llc lle lli llk lll lln llr lls llt llu lnb lnc lne lnh lni lnk lnl lnn lnr lns lnt lnu lrb lrc lrh lri lrk lrn lrr lrs lrt lru lsb lsc lse lsh lsi lsk lsl lsn lsr lss lst lsu ltb ltc lte lth lti ltk ltl ltr lts ltt ltu lub luc lue luh lui luk lul lun lur lus lut luu n-i nbb nbc nbe nbi nbk nbl nbn nbr nbs nbt nbu ncb ncc nce nch nci nck ncl ncn ncr ncs nct ncu ne- neb nec nee neh nei nek nel nen ner nes net neu