-th b-u bbb bbc bbe bbh bbn bbo bbt bbu bcb bcc bce bch bcn bco bct bcu be- beb bec bee beh ben beo bet beu bhb bhc bhe bhh bho bht bhu bnb bnc bne bnn bno bnt bnu bob boc boe boh bon boo bot bou btb btc bte bth btn bto btt btu bub buc bue buh bun buo but buu c-- cbb cbc cbe cbh cbn cbo cbt cbu ccb ccc cce cch ccn cco cct ccu ce- ceb cec cee ceh cen ceo cet ceu ch- chb chc che chh chn cho cht chu cn- cnb cnc cne cnh cnn cno cnt cnu co- cob coc coe coh con coo cot cou ctb ctc cte cth ctn cto ctt ctu cub cuc cue cuh cun cuo cut cuu ebb ebc ebe ebh ebn ebo ebt ebu ec- ecb ecc ece ech ecn eco ect ecu eeb eec eee een eeo eet ehb ehc ehe ehh ehn eho eht ehu en- enb enc ene enh enn eno ent enu eo- eob eoc eoe eoh eon eoo eot eou etb etc ete eth etn eto ett etu eu- eub euc eue eun eut hbb hbc hbe hbh hbn hbo hbt hbu hcb hcc hce hch hcn hco hct he- heb hec hee heh hen heo het heu hhb hhc hhe hhh hhn hho hht hhu hnb hnc hne hnh hnn hno hnt hnu hob hoc hoe hoh hon hoo hot hou htb htc hte hth htn hto htt hub huc hue huh hun huo hut huu nbb nbc nbe nbn nbo nbt nbu ncb ncc nce nch ncn nco nct ncu ne- neb nec nee neh nen neo net neu nhb nhc nhe nhh nhn nht nhu nnb nnc nne nnh nnn nno nnt nnu no- nob noc noe noh non noo not nou ntb ntc nte nth ntn nto ntt ntu nub nuc nue nuh nun nuo nut nuu ob- obb obc obe obh obn obo obt obu oc- ocb occ och ocn oco oct ocu oeb oec oee oeh oen oeo oet ohc ohe ohh ohn oho oht ohu on- onb onc one onh onn ono ont onu oo- oob ooc ooh oon ooo oot ot- otb otc ote oth otn oto ott otu ou- ouc oue ouh oun ouo out tbb tbc tbe tbh tbn tbo tbt tbu tcb tcc tce tch tcn tco tct tcu te- teb tec tee teh ten teo tet teu th- thb thc the thh thn tho tht thu tnb tnc tne tnh tnn tno tnt to- tob toc toe toh ton too tot tou ttb ttc tte tth ttn tto ttt ttu tub tuc tue tuh tun tuo tut tuu ubb ubc ube ubh ubn ubo ubt ubu ucb ucc uce uch ucn uco uct ucu ueb uec uee ueh uen uet uhb uhc uhe uhh uho uht uhu un- unb unc une unh unn uno unt unu uob uoc uoe uon uoo uot utb utc ute uth utn uto utt utu uuc uue uun uut uuu