-ic -th b-u bbb bbc bbe bbh bbi bbk bbl bbs bbt bbu bcb bcc bce bch bci bck bcl bcs bct bcu be- beb bec bee beh bei bek bel bes bet beu bhb bhc bhe bhh bhi bhk bhl bhs bht bhu bi- bib bic bie bih bii bik bil bis bit biu bkb bkc bke bkk bkl bks bkt blb blc ble blh bli blk bll bls blt blu bsb bsc bse bsh bsi bsk bsl bss bst bsu btb btc bte bth bti btk btl bts btt btu bub buc bue buh bui buk bul bus but buu c-- cbb cbc cbe cbh cbi cbk cbl cbs cbt cbu ccb ccc cce cch cci cck ccl ccs cct ccu ce- ceb cec cee ceh cei cek cel ces cet ceu ch- chb chc che chh chi chk chl chs cht chu ci- cib cic cie cih cii cik cil cis cit ciu ckb ckc ckh cki cks ckt cl- clb clc cle clh cli clk cll cls clt clu csb csc cse csh csi csk csl css cst csu ctb ctc cte cth cti ctk ctl cts ctt ctu cub cuc cue cuh cui cuk cul cus cut cuu ebb ebc ebe ebh ebi ebk ebl ebs ebt ebu ec- ecb ecc ece ech eci eck ecl ecs ect ecu eeb eec eee eek eel ees eet ehb ehc ehe ehh ehi ehl ehs eht ehu eib eic eie eii eik eil eis eit eiu ekb ekc eke ekh eki ekl eks ekt eku elb elc ele elh eli elk ell els elt elu es- esb esc ese esh esi esk esl ess est esu etb etc ete eth eti etk etl ets ett etu eu- eub euc eue eui eul eus eut h-i hbb hbc hbe hbh hbi hbk hbl hbs hbt hbu hcb hcc hce hch hci hck hcl hcs hct he- heb hec hee heh hei hek hel hes het heu hhb hhc hhe hhh hhi hhk hhl hhs hht hhu hib hic hie hih hii hik hil his hit hiu hkb hkh hki hkk hkl hks hkt hku hlb hlc hle hlh hli hll hls hlt hlu hsb hsc hse hsh hsi hsk hsl hss hst hsu htb htc hte hth hti htk htl hts htt hub huc hue huh hui huk hul hus hut huu ibb ibc ibe ibh ibi ibk ibl ibs ibt ibu icb icc ice ich ici ick icl ics ict icu ie- iec iee iei iek iel ies iet ihb ihc ihe ihh ihi ihk ihl ihs iht ihu iib iic iie iih iii iil iis iit iiu ikb ikc ike iki ikk ikl iks ikt iku il- ilb ilc ile ilh ili ilk ill ils ilt ilu is- isb isc ise ish isi isk isl iss ist isu itb itc ite ith iti itk itl its itt itu iu- iub iuc iue iui ius iut k-t kbb kbc kbe kbh kbi kbk kbl kbs kbu kcb kcc kce kch kci kck kcl kcs kct kcu ke- keb kec kee keh kei kek kel kes ket khe khh khi khk khs khu kib kic kie kih kii kik kil kis kit kiu kkb kkc kke kkh kki kkk kkl kks kkt kku kl- klb klc klh kli kls klt klu ksb ksc kse ksh ksi ksk ksl kss kst ksu ktb ktc kte kth ktk ktl kts ktt ktu kub kuc kue kuh kui kuk kul kus kut kuu lbb lbc lbe lbh lbi lbk lbl lbs lbt lbu lcb lcc lce lch lci lck lcl lcs lct lcu leb lec lee leh lei lek lel les let leu lhb lhc lhh lhi lhk lhs lht lhu lib lic lie lih lii lik lil lis lit liu lkb lkh lkl lks lkt llb llc lle lli llk lll lls llt llu lsb lsc lse lsh lsi lsk lsl lss lst lsu ltb ltc lte lth lti ltk ltl lts ltt ltu lub luc lue luh lui luk lul lus lut luu sbb sbc sbe sbh sbi sbk sbl sbs sbt sbu scb scc sce sch sci sck scl scs sct scu se- seb sec see seh sei sek sel ses set seu sh- shb shc she shh shi shk shl shs sht shu sib sic sie sih sii sik sil sis sit siu sk- skb skc ske skh ski skk skl sks skt sku slb slc sle slh sli slk sll sls slt slu ss- ssb ssc sse ssh ssi ssk ssl sss sst ssu stb stc ste sth sti stk stl sts stt stu sub suc sue suh sui suk sul sus sut suu tbb tbc tbe tbh tbi tbk tbl tbs tbt tbu tcb tcc tce tch tci tck tcl tcs tct tcu te- teb tec tee teh tei tek tel tes tet teu th- thb thc the thh thi thk thl ths tht thu tib tic tie tih tii tik til tis tit tiu tkb tkc tke tkk tkl tks tkt tlc tle tlh tli tlk tll tls tlt tlu tsb tsc tse tsh tsi tsk tsl tss tst tsu ttb ttc tte tth tti ttk ttl tts ttt ttu tub tuc tue tuh tui tuk tul tus tut tuu ubb ubc ube ubh ubi ubk ubl ubs ubt ubu ucb ucc uce uch uci uck ucl ucs uct ucu ueb uec uee ueh uei uel ues uet uhb uhc uhe uhh uhi uhl uhs uht uhu uib uic uie uii uil uis uit uiu ukb ukc uke uki ukk ukl uku ulb ulc ule uli ulk ull uls ult ulu usb usc use ush usi usk usl uss ust usu utb utc ute uth uti utk utl uts utt utu uuc uue uus uut uuu

bbbb bbbs bbch bbci bbeb bbet bbhs bblb bbls bcbc bcbs bccc bcci bccl bccs bcec bces bcet bche bchs bcie bcis bcit bcsc bcsl bcss bctc bcts bcuc bebb bebe bebi bech beci beck becs becu beeb