bbb bbc bbd bbe bbh bbn bcb bcc bcd bce bch bcn bdb bdc bdd bde bdh be- beb bec bed bee beh ben bhb bhc bhd bhe bhh bnb bnc bnd bne bnn c-- cbb cbc cbd cbe cbh cbn ccb ccc ccd cce cch ccn cdb cdc cdd cde cdh cdn ce- ceb cec ced cee ceh cen ch- chb chc chd che chh chn cn- cnb cnc cnd cne cnh cnn dbb dbc dbd dbe dbh dbn dcb dcc dcd dce dcn ddb ddc ddd dde ddh ddn de- deb dec ded dee deh den dh- dhb dhc dhd dhe dhh dnb dnc dnd dne dnh dnn ebb ebc ebd ebe ebh ebn ec- ecb ecc ecd ece ech ecn ed- edb edc edd ede edh edn eeb eec eed eee een ehb ehc ehd ehe ehh ehn en- enb enc end ene enh enn hbb hbc hbd hbe hbh hbn hcb hcc hcd hce hch hcn hdb hdc hdd hde hdh hdn he- heb hec hed hee heh hen hhb hhc hhd hhe hhh hhn hnb hnc hnd hne hnh hnn nbb nbc nbd nbe nbn ncb ncc ncd nce nch ncn ndb ndc ndd nde ndh ndn ne- neb nec ned nee neh nen nhb nhc nhd nhe nhh nhn nnb nnc nne nnh nnn