-th bbb bbe bbf bbh bbi bbk bbo bbt be- beb bee bef beh bei bek beo bet bfb bfe bff bfh bfi bfo bft bhb bhe bhf bhh bhi bhk bho bht bi- bib bie bif bih bii bik bio bit bkb bke bkf bkk bko bkt bob boe bof boh boi bok boo bot btb bte btf bth bti btk bto btt ebb ebe ebf ebh ebi ebk ebo ebt eeb eee eef eek eeo eet ef- efb efe eff efh efi efo eft ehb ehe ehf ehh ehi eho eht eib eie eif eii eik eio eit ekb eke ekf ekh eki eko ekt eo- eob eoe eof eoh eoi eok eoo eot etb ete etf eth eti etk eto ett fbb fbe fbf fbh fbi fbk fbo fbt feb fee fef feh fei fek feo fet ffe fff ffh ffi ffk ffo fft fhb fhe fhf fhh fhi fho fib fie fif fih fii fik fit fkb fkf fki fkk fkt fob foe fof foh foi fok foo fot ftb fte ftf fth fti ftk fto ftt h-i hbb hbe hbf hbh hbi hbk hbo hbt he- heb hee hef heh hei hek heo het hfb hfe hff hfh hfi hfk hfo hft hhb hhe hhf hhh hhi hhk hho hht hib hie hif hih hii hik hio hit hkb hkf hkh hki hkk hko hkt hob hoe hof hoh hoi hok hoo hot htb hte htf hth hti htk hto htt i-f ibb ibe ibf ibh ibi ibk ibo ibt ie- iee ief iei iek iet ifb ife iff ifi ifo ift ihb ihe ihf ihh ihi ihk iho iht iib iie iif iih iii iio iit ikb ike ikf iki ikk iko ikt io- iob ioe iof ioh ioi ioo iot itb ite itf ith iti itk ito itt k-t kbb kbe kbf kbh kbi kbk kbo ke- keb kee kef keh kei kek keo ket kff kfh kfi kfo khe khf khh khi khk kho kib kie kif kih kii kik kio kit kkb kke kkh kki kkk kkt kob koe kof koh koi kok koo kot ktb kte ktf kth ktk kto ktt o-i ob- obb obe obf obh obi obk obo obt oeb oee oef oeh oei oeo oet of- ofb ofe off ofi ofo oft ohe ohf ohh ohi oho oht oib oie oif oii oik oio oit okb oke oki okk oko oo- oob oof ooh ooi ook ooo oot ot- otb ote otf oth oti otk oto ott tbb tbe tbf tbh tbi tbk tbo tbt te- teb tee tef teh tei tek teo tet tfb tfe tff tfh tfi tfk tfo tft th- thb the thf thh thi thk tho tht tib tie tif tih tii tik tio tit tkb tke tkk tko tkt to- tob toe tof toh toi tok too tot ttb tte ttf tth tti ttk tto ttt