-er -th b-u bbb bbc bbe bbf bbh bbk bbo bbr bbt bbu bcb bcc bce bcf bch bck bco bcr bct bcu be- beb bec bee bef beh bek beo ber bet beu bfb bfc bfe bff bfh bfo bfr bft bfu bhb bhc bhe bhf bhh bhk bho bhr bht bhu bkb bkc bke bkf bkk bko bkr bkt bob boc boe bof boh bok boo bor bot bou brb bre brf brh brk bro brr brt bru btb btc bte btf bth btk bto btr btt btu bub buc bue buf buh buk buo bur but buu c-- cbb cbc cbe cbf cbh cbk cbo cbr cbt cbu ccb ccc cce ccf cch cck cco ccr cct ccu ce- ceb cec cee cef ceh cek ceo cer cet ceu cfb cfc cfe cff cfh cfk cfo cfr cft cfu ch- chb chc che chf chh chk cho chr cht chu ckb ckc ckh cko ckt co- cob coc coe cof coh cok coo cor cot cou crb crc cre crf crh crk cro crr crt cru ctb ctc cte ctf cth ctk cto ctr ctt ctu cub cuc cue cuf cuh cuk cuo cur cut cuu ebb ebc ebe ebf ebh ebk ebo ebr ebt ebu ec- ecb ecc ece ecf ech eck eco ecr ect ecu eeb eec eee eef eek eeo eer eet ef- efb efc efe eff efh efo efr eft ehb ehc ehe ehf ehh eho ehr eht ehu ekb ekc eke ekf ekh eko ekr ekt eku eo- eob eoc eoe eof eoh eok eoo eor eot eou erb erc ere erf erh erk ero err ert eru etb etc ete etf eth etk eto etr ett etu eu- eub euc eue euf eur eut fbb fbc fbe fbf fbh fbk fbo fbr fbt fbu fcb fcc fce fcf fck fco fcr fct fcu feb fec fee fef feh fek feo fer fet feu ffc ffe fff ffh ffk ffo ffr fft ffu fhb fhc fhe fhf fhh fho fhr fkb fkc fkf fkk fkt fob foc foe fof foh fok foo for fot fou frb frc fre frf frh frk fro frr frt fru ftb ftc fte ftf fth ftk fto ftr ftt ftu fub fue fuf fuk fuo fur fut fuu hbb hbc hbe hbf hbh hbk hbo hbr hbt hbu hcb hcc hce hcf hch hck hco hcr hct he- heb hec hee hef heh hek heo her het heu hfb hfc hfe hff hfh hfk hfo hfr hft hfu hhb hhc hhe hhf hhh hhk hho hhr hht hhu hkb hkf hkh hkk hko hkr hkt hku hob hoc hoe hof hoh hok hoo hor hot hou hr- hrb hrc hre hrf hrh hrk hro hrr hrt hru htb htc hte htf hth htk hto htr htt hub huc hue huf huh huk huo hur hut huu k-t kbb kbc kbe kbf kbh kbk kbo kbr kbu kcb kcc kce kch kck kcr kct kcu ke- keb kec kee kef keh kek keo ker ket kfc kff kfh kfo kfu khe khf khh khk kho khr khu kkb kkc kke kkh kkk kkr kkt kku kob koc koe kof koh kok koo kor kot kou krc krf krk kro krr krt kru ktb ktc kte ktf kth ktk kto ktr ktt ktu kub kuc kue kuh kuk kur kut kuu ob- obb obc obe obf obh obk obo obr obt obu oc- ocb occ ocf och ock oco ocr oct ocu oeb oec oee oef oeh oeo oer oet of- ofb ofc ofe off ofo ofr oft ofu ohc ohe ohf ohh oho ohr oht ohu okb okc oke okk oko okr oku oo- oob ooc oof ooh ook ooo oor oot or- orb orc ore orf orh ork oro orr ort oru ot- otb otc ote otf oth otk oto otr ott otu ou- ouc oue ouf ouh ouk ouo our out rbb rbc rbe rbf rbh rbk rbo rbr rbt rbu rcb rcc rce rcf rch rco rcr rct rcu re- reb rec ree ref reh rek reo rer ret reu rfb rfc rfe rff rfh rfk rfo rfr rft rfu rh- rhb rhc rhe rhf rhh rho rhr rht rhu rkb rkc rke rkf rkk rko rkt rku rob roc roe rof roh rok roo ror rot rou rrb rrc rrf rrh rrk rrr rrt rru rtb rtc rte rtf rtk rto rtr rtt rtu rub ruc rue ruf ruh ruk ruo rur rut ruu tbb tbc tbe tbf tbh tbk tbo tbr tbt tbu tcb tcc tce tcf tch tck tco tcr tct tcu te- teb tec tee tef teh tek teo ter tet teu tfb tfc tfe tff tfh tfk tfo tfr tft tfu th- thb thc the thf thh thk tho thr tht thu tkb tkc tke tkk tko tkr tkt to- tob toc toe tof toh tok too tor tot tou trb trc tre trf trh trk tro trr trt tru ttb ttc tte ttf tth ttk tto ttr ttt ttu tub tuc tue tuf tuh tuk tuo tur tut tuu ubb ubc ube ubf ubh ubk ubo ubr ubt ubu ucb ucc uce ucf uch uck uco ucr uct ucu ueb uec uee uef ueh uer uet ufc ufe uff ufh ufo ufr uft ufu uhb uhc uhe uhf uhh uho uhr uht uhu ukb ukc uke ukf ukk ukr uku uob uoc uoe uok uoo uor uot ur- urb urc ure urf urk uro urr urt uru utb utc ute utf uth utk uto utr utt utu uuc uue uur uut uuu

-hou bbbb bbch bbeb bbet bbfc bbrc bcbc bccc bcec bcer bcet bcfc bche bcof bcor bcru bctc bcuc bebb bebe bebo bech beck becu beeb beef beek beer beet befe beff befo beft behr beke beko beo- beof beok beor beot berc bere berk bero berr bert beru betc bete beth beto bett betu beuk beur bftt bhcc bher bhet bhff bhor bhot bhrt bhur bhut