-th b-u bbb bbc bbd bbe bbh bbk bbn bbo bbt bbu bcb bcc bcd bce bch bck bcn bco bct bcu bdb bdc bdd bde bdh bdk bdo bdt bdu be- beb bec bed bee beh bek ben beo bet beu bhb bhc bhd bhe bhh bhk bho bht bhu bkb bkc bke bkk bkn bko bkt bnb bnc bnd bne bnk bnn bno bnt bnu bob boc bod boe boh bok bon boo bot bou btb btc btd bte bth btk btn bto btt btu bub buc bud bue buh buk bun buo but buu c-- cbb cbc cbd cbe cbh cbk cbn cbo cbt cbu ccb ccc ccd cce cch cck ccn cco cct ccu cdb cdc cdd cde cdh cdk cdn cdo cdt cdu ce- ceb cec ced cee ceh cek cen ceo cet ceu ch- chb chc chd che chh chk chn cho cht chu ckb ckc ckd ckh cko ckt cn- cnb cnc cnd cne cnh cnn cno cnt cnu co- cob coc cod coe coh cok con coo cot cou ctb ctc ctd cte cth ctk ctn cto ctt ctu cub cuc cud cue cuh cuk cun cuo cut cuu dbb dbc dbd dbe dbh dbk dbn dbo dbt dbu dcb dcc dcd dce dck dcn dco dct dcu ddb ddc ddd dde ddh ddk ddn ddo ddt ddu de- deb dec ded dee deh dek den deo det deu dh- dhb dhc dhd dhe dhh dhk dho dht dhu dkb dkc dke dkk dko dkt dku dnb dnc dnd dne dnh dnk dnn dno dnt dob doc dod doe doh dok don doo dot dou dtb dtc dtd dte dth dtk dtn dto dtt dtu dub duc dud due duh duk dun duo dut ebb ebc ebd ebe ebh ebk ebn ebo ebt ebu ec- ecb ecc ecd ece ech eck ecn eco ect ecu ed- edb edc edd ede edh edk edn edo edt edu eeb eec eed eee eek een eeo eet ehb ehc ehd ehe ehh ehn eho eht ehu ekb ekc ekd eke ekh eko ekt eku en- enb enc end ene enh enk enn eno ent enu eo- eob eoc eod eoe eoh eok eon eoo eot eou etb etc etd ete eth etk etn eto ett etu eu- eub euc eud eue eun eut hbb hbc hbd hbe hbh hbk hbn hbo hbt hbu hcb hcc hcd hce hch hck hcn hco hct hdb hdc hdd hde hdh hdk hdn hdo hdt hdu he- heb hec hed hee heh hek hen heo het heu hhb hhc hhd hhe hhh hhk hhn hho hht hhu hkb hkd hkh hkk hkn hko hkt hku hnb hnc hnd hne hnh hnk hnn hno hnt hnu hob hoc hod hoe hoh hok hon hoo hot hou htb htc htd hte hth htk htn hto htt hub huc hud hue huh huk hun huo hut huu k-t kbb kbc kbd kbe kbh kbk kbn kbo kbu kcb kcc kcd kce kch kck kcn kct kcu kdb kdc kde kdh kdk kdo kdt kdu ke- keb kec ked kee keh kek ken keo ket khe khh khk khn kho khu kkb kkc kke kkh kkk kkn kkt kku kn- knc knd kne knk knn kno knt knu kob koc kod koe koh kok kon koo kot kou ktb ktc kte kth ktk ktn kto ktt ktu kub kuc kud kue kuh kuk kun kut kuu nbb nbc nbd nbe nbk nbn nbo nbt nbu ncb ncc ncd nce nch nck ncn nco nct ncu ndb ndc ndd nde ndh ndk ndn ndo ndt ndu ne- neb nec ned nee neh nek nen neo net neu nhb nhc nhd nhe nhh nhk nhn nht nhu nkc nke nkk nkn nko nkt nku nnb nnc nne nnh nnk nnn nno nnt nnu no- nob noc nod noe noh nok non noo not nou ntb ntc ntd nte nth ntk ntn nto ntt ntu nub nuc nud nue nuh nuk nun nuo nut nuu ob- obb obc obd obe obh obk obn obo obt obu oc- ocb occ ocd och ock ocn oco oct ocu odb odc odd ode odh odn odo odt odu oeb oec oed oee oeh oen oeo oet ohc ohd ohe ohh ohn oho oht ohu okb okc okd oke okk oko oku on- onb onc ond one onh onk onn ono ont onu oo- oob ooc ood ooh ook oon ooo oot ot- otb otc otd ote oth otk otn oto ott otu ou- ouc oud oue ouh ouk oun ouo out tbb tbc tbd tbe tbh tbk tbn tbo tbt tbu tcb tcc tcd tce tch tck tcn tco tct tcu tdb tdc tdd tde tdh tdk tdn tdo tdt tdu te- teb tec ted tee teh tek ten teo tet teu th- thb thc thd the thh thk thn tho tht thu tkb tkc tke tkk tko tkt tnb tnc tnd tne tnh tnk tnn tno tnt to- tob toc tod toe toh tok ton too tot tou ttb ttc ttd tte tth ttk ttn tto ttt ttu tub tuc tud tue tuh tuk tun tuo tut tuu ubb ubc ube ubh ubk ubn ubo ubt ubu ucb ucc ucd uce uch uck ucn uco uct ucu udb udc udd ude udk udn udo udt udu ueb uec ued uee ueh uen uet uhb uhc uhd uhe uhh uho uht uhu ukb ukc uke ukk ukn uku un- unb unc und une unh unk unn uno unt unu uob uoc uod uoe uok uon uoo uot utb utc utd ute uth utk utn uto utt utu uuc uue uun uut uuu