-ol -th bbb bbc bbe bbg bbh bbl bbo bbt bcb bcc bce bcg bch bcl bco bct be- beb bec bee beg beh bel beo bet bgb bgc bge bgg bgh bgl bgo bgt bhb bhc bhe bhg bhh bhl bho bht blb blc ble blg blh bll blo blt bob boc boe bog boh bol boo bot btb btc bte btg bth btl bto btt c-- cbb cbc cbe cbg cbh cbl cbo cbt ccb ccc cce ccg cch ccl cco cct ce- ceb cec cee ceg ceh cel ceo cet cgb cgc cge cgg cgh cgl cgo cgt ch- chb chc che chg chh chl cho cht cl- clb clc cle clg clh cll clo clt co- cob coc coe cog coh col coo cot ctb ctc cte ctg cth ctl cto ctt ebb ebc ebe ebg ebh ebl ebo ebt ec- ecb ecc ece ecg ech ecl eco ect eeb eec eee eeg eel eeo eet egb egc ege egg egh egl ego egt ehb ehc ehe ehg ehh ehl eho eht elb elc ele elg elh ell elo elt eo- eob eoc eoe eog eoh eol eoo eot etb etc ete etg eth etl eto ett gbc gbe gbg gbh gbl gbo gbt gcb gcc gce gcg gch gcl gco gct ge- geb gec gee geg geh gel geo get ggb ggc ggg ggh ggo ggt ghb ghc ghe ghg ghh ghl gho ght glb glc gle glg glh gll glo glt gob goc goe gog goh gol goo got gtb gtc gte gtg gth gtl gto gtt hbb hbc hbe hbg hbh hbl hbo hbt hcb hcc hce hcg hch hcl hco hct he- heb hec hee heg heh hel heo het hgb hgc hge hgg hgh hgl hgo hgt hhb hhc hhe hhg hhh hhl hho hht hlb hlc hle hlg hlh hll hlo hlt hob hoc hoe hog hoh hol hoo hot htb htc hte htg hth htl hto htt lbb lbc lbe lbg lbh lbl lbo lbt lcb lcc lce lcg lch lcl lco lct leb lec lee leg leh lel leo let lgb lgc lge lgg lgh lgl lgo lgt lhb lhc lhh lho lht llb llc lle llg lll llo llt lob loc loe log loh lol loo lot ltb ltc lte ltg lth ltl lto ltt ob- obb obc obe obg obh obl obo obt oc- ocb occ ocg och ocl oco oct oeb oec oee oeg oeh oel oeo oet ogc oge ogg ogh ogl ogo ogt ohc ohe ohg ohh ohl oho oht olb olc ole olg oll olo olt oo- oob ooc oog ooh ool ooo oot ot- otb otc ote otg oth otl oto ott tbb tbc tbe tbg tbh tbl tbo tbt tcb tcc tce tcg tch tcl tco tct te- teb tec tee teg teh tel teo tet tgb tgc tge tgg tgh tgl tgo tgt th- thb thc the thg thh thl tho tht tlc tle tlg tlh tll tlo tlt to- tob toc toe tog toh tol too tot ttb ttc tte ttg tth ttl tto ttt