bbb bbc bbd bbe bbh bbk bbn bbo bcb bcc bcd bce bch bck bcn bco bdb bdc bdd bde bdh bdk bdo be- beb bec bed bee beh bek ben beo bhb bhc bhd bhe bhh bhk bho bkb bkc bke bkk bkn bko bnb bnc bnd bne bnk bnn bno bob boc bod boe boh bok bon boo c-- cbb cbc cbd cbe cbh cbk cbn cbo ccb ccc ccd cce cch cck ccn cco cdb cdc cdd cde cdh cdk cdn cdo ce- ceb cec ced cee ceh cek cen ceo ch- chb chc chd che chh chk chn cho ckb ckc ckd ckh cko cn- cnb cnc cnd cne cnh cnn cno co- cob coc cod coe coh cok con coo dbb dbc dbd dbe dbh dbk dbn dbo dcb dcc dcd dce dck dcn dco ddb ddc ddd dde ddh ddk ddn ddo de- deb dec ded dee deh dek den deo dh- dhb dhc dhd dhe dhh dhk dho dkb dkc dke dkk dko dnb dnc dnd dne dnh dnk dnn dno dob doc dod doe doh dok don doo ebb ebc ebd ebe ebh ebk ebn ebo ec- ecb ecc ecd ece ech eck ecn eco ed- edb edc edd ede edh edk edn edo eeb eec eed eee eek een eeo ehb ehc ehd ehe ehh ehn eho ekb ekc ekd eke ekh eko en- enb enc end ene enh enk enn eno eo- eob eoc eod eoe eoh eok eon eoo hbb hbc hbd hbe hbh hbk hbn hbo hcb hcc hcd hce hch hck hcn hco hdb hdc hdd hde hdh hdk hdn hdo he- heb hec hed hee heh hek hen heo hhb hhc hhd hhe hhh hhk hhn hho hkb hkd hkh hkk hkn hko hnb hnc hnd hne hnh hnk hnn hno hob hoc hod hoe hoh hok hon hoo kbb kbc kbd kbe kbh kbk kbn kbo kcb kcc kcd kce kch kck kcn kdb kdc kde kdh kdk kdo ke- keb kec ked kee keh kek ken keo khe khh khk khn kho kkb kkc kke kkh kkk kkn kn- knc knd kne knk knn kno kob koc kod koe koh kok kon koo nbb nbc nbd nbe nbk nbn nbo ncb ncc ncd nce nch nck ncn nco ndb ndc ndd nde ndh ndk ndn ndo ne- neb nec ned nee neh nek nen neo nhb nhc nhd nhe nhh nhk nhn nkc nke nkk nkn nko nnb nnc nne nnh nnk nnn nno no- nob noc nod noe noh nok non noo ob- obb obc obd obe obh obk obn obo oc- ocb occ ocd och ock ocn oco odb odc odd ode odh odn odo oeb oec oed oee oeh oen oeo ohc ohd ohe ohh ohn oho okb okc okd oke okk oko on- onb onc ond one onh onk onn ono oo- oob ooc ood ooh ook oon ooo