-er -th bbb bbe bbf bbh bbi bbk bbn bbo bbr bbt be- beb bee bef beh bei bek ben beo ber bet bfb bfe bff bfh bfi bfn bfo bfr bft bhb bhe bhf bhh bhi bhk bho bhr bht bi- bib bie bif bih bii bik bin bio bir bit bkb bke bkf bkk bkn bko bkr bkt bnb bne bnf bni bnk bnn bno bnr bnt bob boe bof boh boi bok bon boo bor bot brb bre brf brh bri brk brn bro brr brt btb bte btf bth bti btk btn bto btr btt ebb ebe ebf ebh ebi ebk ebn ebo ebr ebt eeb eee eef eek een eeo eer eet ef- efb efe eff efh efi efo efr eft ehb ehe ehf ehh ehi ehn eho ehr eht eib eie eif eii eik ein eio eir eit ekb eke ekf ekh eki eko ekr ekt en- enb ene enf enh eni enk enn eno enr ent eo- eob eoe eof eoh eoi eok eon eoo eor eot erb ere erf erh eri erk ern ero err ert etb ete etf eth eti etk etn eto etr ett fbb fbe fbf fbh fbi fbk fbn fbo fbr fbt feb fee fef feh fei fek fen feo fer fet ffe fff ffh ffi ffk ffn ffo ffr fft fhb fhe fhf fhh fhi fhn fho fhr fib fie fif fih fii fik fin fir fit fkb fkf fki fkk fkt fnb fne fnf fnh fni fnk fnn fnr fnt fob foe fof foh foi fok fon foo for fot frb fre frf frh fri frk frn fro frr frt ftb fte ftf fth fti ftk ftn fto ftr ftt h-i hbb hbe hbf hbh hbi hbk hbn hbo hbr hbt he- heb hee hef heh hei hek hen heo her het hfb hfe hff hfh hfi hfk hfn hfo hfr hft hhb hhe hhf hhh hhi hhk hhn hho hhr hht hib hie hif hih hii hik hin hio hir hit hkb hkf hkh hki hkk hkn hko hkr hkt hnb hne hnf hnh hnk hnn hno hnt hob hoe hof hoh hoi hok hon hoo hor hot hr- hrb hre hrf hrh hri hrk hrn hro hrr hrt htb hte htf hth hti htk htn hto htr htt i-f ibb ibe ibf ibh ibi ibk ibn ibo ibr ibt ie- iee ief iei iek ien ier iet ifb ife iff ifi ifn ifo ifr ift ihb ihe ihf ihh ihi ihk ihn iho ihr iht iib iie iif iih iii iin iio iir iit ikb ike ikf iki ikk iko ikr ikt in- inb ine inf inh ini ink inn ino inr int io- iob ioe iof ioh ioi ion ioo ior iot ir- irb ire irf iri irk irn iro irr irt itb ite itf ith iti itk itn ito itt k-t kbb kbe kbf kbh kbi kbk kbn kbo kbr ke- keb kee kef keh kei kek ken keo ker ket kff kfh kfi kfo khe khf khh khi khk khn kho khr kib kie kif kih kii kik kin kio kir kit kkb kke kkh kki kkk kkn kkr kkt kn- kne knf kni knk knn kno knr knt kob koe kof koh koi kok kon koo kor kot krf kri krk krn kro krr krt ktb kte ktf kth ktk ktn kto ktr ktt n-i nbb nbe nbf nbi nbk nbn nbo nbr nbt ne- neb nee nef neh nei nek nen neo ner net nfb nfe nff nfi nfk nfn nfo nfr nft nhb nhe nhf nhh nhi nhk nhn nhr nht nib nie nif nih nii nik nin nio nir nit nke nkf nki nkk nkn nko nkr nkt nnb nne nnf nnh nni nnk nnn nno nnt no- nob noe nof noh noi nok non noo nor not nrb nre nrf nri nrk nrn nro nrr nrt ntb nte ntf nth nti ntk ntn nto ntr ntt o-i ob- obb obe obf obh obi obk obn obo obr obt oeb oee oef oeh oei oen oeo oer oet of- ofb ofe off ofi ofn ofo ofr oft ohe ohf ohh ohi ohn oho ohr oht oib oie oif oii oik oin oio oir oit okb oke oki okk oko okr on- onb one onf onh oni onk onn ono onr ont oo- oob oof ooh ooi ook oon ooo oor oot or- orb ore orf orh ori ork orn oro orr ort ot- otb ote otf oth oti otk otn oto otr ott rbb rbe rbf rbh rbi rbk rbn rbo rbr rbt re- reb ree ref reh rei rek ren reo rer ret rfb rfe rff rfh rfi rfk rfn rfo rfr rft rh- rhb rhe rhf rhh rhi rhn rho rhr rht rib rie rif rih rii rik rin rio rir rit rkb rke rkf rkk rko rkt rnb rnh rni rnn rno rnr rnt rob roe rof roh roi rok ron roo ror rot rrb rrf rrh rri rrk rrn rrr rrt rtb rte rtf rti rtk rtn rto rtr rtt tbb tbe tbf tbh tbi tbk tbn tbo tbr tbt te- teb tee tef teh tei tek ten teo ter tet tfb tfe tff tfh tfi tfk tfn tfo tfr tft th- thb the thf thh thi thk thn tho thr tht tib tie tif tih tii tik tin tio tir tit tkb tke tkk tko tkr tkt tnb tne tnf tnh tni tnk tnn tno tnr tnt to- tob toe tof toh toi tok ton too tor tot trb tre trf trh tri trk trn tro trr trt ttb tte ttf tth tti ttk ttn tto ttr ttt