-ic bbb bbc bbf bbi bbk bbn bbo bbr bbs bbt bcb bcc bcf bci bck bcn bco bcr bcs bct bfb bfc bff bfi bfn bfo bfr bfs bft bi- bib bic bif bii bik bin bio bir bis bit bkb bkc bkf bkk bkn bko bkr bks bkt bnb bnc bnf bni bnk bnn bno bnr bns bnt bob boc bof boi bok bon boo bor bos bot brb brf bri brk brn bro brr brs brt bsb bsc bsf bsi bsk bsn bso bsr bss bst btb btc btf bti btk btn bto btr bts btt c-- cbb cbc cbf cbi cbk cbn cbo cbr cbs cbt ccb ccc ccf cci cck ccn cco ccr ccs cct cfb cfc cff cfi cfk cfn cfo cfr cfs cft ci- cib cic cif cii cik cin cio cir cis cit ckb ckc cki cko cks ckt cn- cnb cnc cnf cni cnn cno cnr cns cnt co- cob coc cof coi cok con coo cor cos cot crb crc crf cri crk crn cro crr crs crt csb csc csf csi csk csn cso csr css cst ctb ctc ctf cti ctk ctn cto ctr cts ctt fbb fbc fbf fbi fbk fbn fbo fbr fbs fbt fcb fcc fcf fci fck fcn fco fcr fcs fct ffc fff ffi ffk ffn ffo ffr ffs fft fib fic fif fii fik fin fir fis fit fkb fkc fkf fki fkk fkt fnb fnc fnf fni fnk fnn fnr fns fnt fob foc fof foi fok fon foo for fos fot frb frc frf fri frk frn fro frr frs frt fsb fsc fsf fsi fsk fsn fso fsr fss fst ftb ftc ftf fti ftk ftn fto ftr fts ftt i-f ibb ibc ibf ibi ibk ibn ibo ibr ibs ibt icb icc icf ici ick icn ico icr ics ict ifb ifc iff ifi ifn ifo ifr ifs ift iib iic iif iii iin iio iir iis iit ikb ikc ikf iki ikk iko ikr iks ikt in- inb inc inf ini ink inn ino inr ins int io- iob ioc iof ioi ion ioo ior ios iot ir- irb irc irf iri irk irn iro irr irs irt is- isb isc isf isi isk isn iso isr iss ist itb itc itf iti itk itn ito its itt k-t kbb kbc kbf kbi kbk kbn kbo kbr kbs kcb kcc kci kck kcn kcr kcs kct kfc kff kfi kfo kfs kib kic kif kii kik kin kio kir kis kit kkb kkc kki kkk kkn kkr kks kkt kn- knc knf kni knk knn kno knr knt kob koc kof koi kok kon koo kor kos kot krc krf kri krk krn kro krr krs krt ksb ksc ksf ksi ksk ksn kso ksr kss kst ktb ktc ktf ktk ktn kto ktr kts ktt n-i nbb nbc nbf nbi nbk nbn nbo nbr nbs nbt ncb ncc ncf nci nck ncn nco ncr ncs nct nfb nfc nff nfi nfk nfn nfo nfr nfs nft nib nic nif nii nik nin nio nir nis nit nkc nkf nki nkk nkn nko nkr nks nkt nnb nnc nnf nni nnk nnn nno nns nnt no- nob noc nof noi nok non noo nor nos not nrb nrc nrf nri nrk nrn nro nrr nrs nrt nsb nsc nsf nsi nsk nsn nso nsr nss nst ntb ntc ntf nti ntk ntn nto ntr nts ntt o-i ob- obb obc obf obi obk obn obo obr obs obt oc- ocb occ ocf oci ock ocn oco ocr ocs oct of- ofb ofc off ofi ofn ofo ofr ofs oft oib oic oif oii oik oin oio oir ois oit okb okc oki okk oko okr oks on- onb onc onf oni onk onn ono onr ons ont oo- oob ooc oof ooi ook oon ooo oor oos oot or- orb orc orf ori ork orn oro orr ors ort os- osb osc osf osi osk osn oso osr oss ost ot- otb otc otf oti otk otn oto otr ots ott rbb rbc rbf rbi rbk rbn rbo rbr rbs rbt rcb rcc rcf rci rcn rco rcr rcs rct rfb rfc rff rfi rfk rfn rfo rfr rfs rft rib ric rif rii rik rin rio rir ris rit rkb rkc rkf rkk rko rks rkt rnb rnc rni rnn rno rnr rns rnt rob roc rof roi rok ron roo ror ros rot rrb rrc rrf rri rrk rrn rrr rrs rrt rsb rsc rsf rsi rsk rsn rso rsr rss rst rtb rtc rtf rti rtk rtn rto rtr rts rtt sbb sbc sbf sbi sbk sbn sbo sbr sbs sbt scb scc scf sci sck scn sco scr scs sct sfb sfc sff sfi sfk sfn sfo sfr sfs sft sib sic sif sii sik sin sio sir sis sit sk- skb skc skf ski skk sko skr sks skt snb snc snf sni snk snn sno snr sns snt sob soc sof soi sok son soo sor sos sot sr- srb src srf sri srk srn sro srr srs srt ss- ssb ssc ssf ssi ssk ssn sso ssr sss sst stb stc stf sti stk stn sto str sts stt tbb tbc tbf tbi tbk tbn tbo tbr tbs tbt tcb tcc tcf tci tck tcn tco tcr tcs tct tfb tfc tff tfi tfk tfn tfo tfr tfs tft tib tic tif tii tik tin tio tir tis tit tkb tkc tkk tko tkr tks tkt tnb tnc tnf tni tnk tnn tno tnr tns tnt to- tob toc tof toi tok ton too tor tos tot trb trc trf tri trk trn tro trr trs trt tsb tsc tsf tsi tsk tsn tso tsr tss tst ttb ttc ttf tti ttk ttn tto ttr tts ttt

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