-th b-u bbb bbc bbe bbh bbk bbs bbt bbu bcb bcc bce bch bck bcs bct bcu be- beb bec bee beh bek bes bet beu bhb bhc bhe bhh bhk bhs bht bhu bkb bkc bke bkk bks bkt bsb bsc bse bsh bsk bss bst bsu btb btc bte bth btk bts btt btu bub buc bue buh buk bus but buu c-- cbb cbc cbe cbh cbk cbs cbt cbu ccb ccc cce cch cck ccs cct ccu ce- ceb cec cee ceh cek ces cet ceu ch- chb chc che chh chk chs cht chu ckb ckc ckh cks ckt csb csc cse csh csk css cst csu ctb ctc cte cth ctk cts ctt ctu cub cuc cue cuh cuk cus cut cuu ebb ebc ebe ebh ebk ebs ebt ebu ec- ecb ecc ece ech eck ecs ect ecu eeb eec eee eek ees eet ehb ehc ehe ehh ehs eht ehu ekb ekc eke ekh eks ekt eku es- esb esc ese esh esk ess est esu etb etc ete eth etk ets ett etu eu- eub euc eue eus eut hbb hbc hbe hbh hbk hbs hbt hbu hcb hcc hce hch hck hcs hct he- heb hec hee heh hek hes het heu hhb hhc hhe hhh hhk hhs hht hhu hkb hkh hkk hks hkt hku hsb hsc hse hsh hsk hss hst hsu htb htc hte hth htk hts htt hub huc hue huh huk hus hut huu k-t kbb kbc kbe kbh kbk kbs kbu kcb kcc kce kch kck kcs kct kcu ke- keb kec kee keh kek kes ket khe khh khk khs khu kkb kkc kke kkh kkk kks kkt kku ksb ksc kse ksh ksk kss kst ksu ktb ktc kte kth ktk kts ktt ktu kub kuc kue kuh kuk kus kut kuu sbb sbc sbe sbh sbk sbs sbt sbu scb scc sce sch sck scs sct scu se- seb sec see seh sek ses set seu sh- shb shc she shh shk shs sht shu sk- skb skc ske skh skk sks skt sku ss- ssb ssc sse ssh ssk sss sst ssu stb stc ste sth stk sts stt stu sub suc sue suh suk sus sut suu tbb tbc tbe tbh tbk tbs tbt tbu tcb tcc tce tch tck tcs tct tcu te- teb tec tee teh tek tes tet teu th- thb thc the thh thk ths tht thu tkb tkc tke tkk tks tkt tsb tsc tse tsh tsk tss tst tsu ttb ttc tte tth ttk tts ttt ttu tub tuc tue tuh tuk tus tut tuu ubb ubc ube ubh ubk ubs ubt ubu ucb ucc uce uch uck ucs uct ucu ueb uec uee ueh ues uet uhb uhc uhe uhh uhs uht uhu ukb ukc uke ukk uku usb usc use ush usk uss ust usu utb utc ute uth utk uts utt utu uuc uue uus uut uuu

bbbb bbbs bbch bbeb bbet bbhs bcbc bcbs bccc bccs bcec bces bcet bche bchs bcsc bcss bctc bcts bcuc bebb bebe bech beck becs becu beeb beek bees beet behs beke beks bes- bese besh besk bess best betc bete beth bets bett betu beuk bhcc bhet bhhs bhut bhuu bkhs bscs bseb bsec bsee bses bset bshs bskt bssc bsse bsts btcc btcs btec btek bths btss bttb btus bubb bube bubs bubu bucc buce buch buck bucs bucu bueu buhe buhs buke bukh bukk buku busc buse bush busk buss bust busu but- bute buts butt buus cbbc cbbs cbcc cbce cbcs cbct cbcu cbec cbee cbet cbhs cbsc cbse cbtc cbus ccbc cccb cccc cccs cccu ccee cche cchs ccss ccst cctb cctc cctt ccuc ccus ccut cebs cebu cec- cece cecs cect ceeb ceec cees cehs ceke cesc cese cess cest cet- cete cets chce chch chcs cheb chec chee cheh chek ches chet cheu chhs chkb chks chkt chsc chse chsh chst chtt chub chuk chus chut ckbc ckbe ckch ckck ckcs ckhs cksb cksh ckst cktb ckts cscb cscc csce csch cscs csec csee cseh cset cshs csks csse cstc csts csus ctbs ctec cths ctsc ctss ctsu ctts cub- cubb cube cubs cucc cuce cuck cuek cues cuk- cuke cusb cush cusk cuss cust cusu cut- cutc cute cuth cuts cutt ebbc ebbs ebcc ebes ebhs ebus ecbc ecbe eccb eccc ecce ecct eces eche echs echt ecks ecsc ecse ecss ecsu ect- ectc ecth ects ecus eecs eeee eees eehs eeke eeks eese eesk eetc eete eeth eets eetu ehcc eheh eheu ehhs ehte ekch ekeb ekek ekes eket ekhs esbs escb esce esch escs escu esee esek eses eset eshs eshu eske esks esku esse essh esst essu estc este esth ests esus etbc etcc etch etcs etec etee etes eth- ethe eths etsu ette ettu eubc euch euse euth hbbs hbes hbhs hbss hbtu hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hcst hebb hebe hech heck hecs hect heeb heek hees heet hehe hehs heke hekt heku hesc hesh hess hest hete heth hets hett hetu heue heuk heus hhhh hhhs hhus hkbu hkcc hkcs hket hkse hkst hsbc hscc hsct hses hset hshs hsse hste hsts htcc htet hths htsc hubb hube hubs huch huck hucs hucu hues huet huhs huhu huke huse hush husk huss hust hute huth huts hutt hutu huub huus kbbb kbbc kbbe kbbk kbbs kbbt kbbu kbcb kbce kbch kbck kbcs kbct kbcu kbeb kbec kbee kbeh kbek kbes kbet kbhb kbhc kbhe kbhh kbhs kbht kbkb kbkk kbsb kbsk kbss kbst kbsu kbtb kbtc kbte kbtk kbts kbtt kbub kbuc kbue kbuk kbus kbut kbuu kcbc kcbk kcbs kcbu kccb kccc kcck kcct kccu kceb kcec kcee kcet kceu kche kchh kchk kchs kchu kckc kckk kcsb kcsc kcse kcss kcst kcsu kctb kctc kcte kctu kcub kcue kcuh kcuk kebb kebc kebe kebt kebu kech keck keeh keek kees keet kehk