-ic b-p bbb bbc bbe bbi bbk bbn bbo bbp bbs bbt bcb bcc bce bci bck bcn bco bcp bcs bct be- beb bec bee bei bek ben beo bep bes bet bi- bib bic bie bii bik bin bio bip bis bit bkb bkc bke bkk bkn bko bkp bks bkt bnb bnc bne bni bnk bnn bno bnp bns bnt bob boc boe boi bok bon boo bop bos bot bpb bpc bpe bpi bpn bpo bpp bps bpt bsb bsc bse bsi bsk bsn bso bsp bss bst btb btc bte bti btk btn bto btp bts btt c-- cbb cbc cbe cbi cbk cbn cbo cbp cbs cbt ccb ccc cce cci cck ccn cco ccp ccs cct ce- ceb cec cee cei cek cen ceo cep ces cet ci- cib cic cie cii cik cin cio cip cis cit ckb ckc cki cko cks ckt cn- cnb cnc cne cni cnn cno cnp cns cnt co- cob coc coe coi cok con coo cop cos cot cpb cpc cpe cpi cpk cpn cpo cpp cps cpt csb csc cse csi csk csn cso csp css cst ctb ctc cte cti ctk ctn cto ctp cts ctt ebb ebc ebe ebi ebk ebn ebo ebp ebs ebt ec- ecb ecc ece eci eck ecn eco ecs ect eeb eec eee eek een eeo eep ees eet eib eic eie eii eik ein eio eip eis eit ekb ekc eke eki eko ekp eks ekt en- enb enc ene eni enk enn eno enp ens ent eo- eob eoc eoe eoi eok eon eoo eop eos eot ep- epb epc epe epi epn epo epp eps ept es- esb esc ese esi esk esn eso esp ess est etb etc ete eti etk etn eto etp ets ett ibb ibc ibe ibi ibk ibn ibo ibp ibs ibt icb icc ice ici ick icn ico icp ics ict ie- iec iee iei iek ien iep ies iet iib iic iie iii iin iio iip iis iit ikb ikc ike iki ikk iko iks ikt in- inb inc ine ini ink inn ino inp ins int io- iob ioc ioe ioi ion ioo iop ios iot ipb ipc ipe ipi ipn ipo ipp ips ipt is- isb isc ise isi isk isn iso isp iss ist itb itc ite iti itk itn ito itp its itt k-t kbb kbc kbe kbi kbk kbn kbo kbp kbs kcb kcc kce kci kck kcn kcp kcs kct ke- keb kec kee kei kek ken keo kep kes ket kib kic kie kii kik kin kio kip kis kit kkb kkc kke kki kkk kkn kkp kks kkt kn- knc kne kni knk knn kno knp knt kob koc koe koi kok kon koo kop kos kot kpc kpe kpi kpk kpn kpo kpp kps kpt ksb ksc kse ksi ksk ksn kso ksp kss kst ktb ktc kte ktk ktn kto ktp kts ktt n-i nbb nbc nbe nbi nbk nbn nbo nbp nbs nbt ncb ncc nce nci nck ncn nco ncp ncs nct ne- neb nec nee nei nek nen neo nep nes net nib nic nie nii nik nin nio nip nis nit nkc nke nki nkk nkn nko nkp nks nkt nnb nnc nne nni nnk nnn nno nnp nns nnt no- nob noc noe noi nok non noo nop nos not npb npc npe npi npn npo npp nps npt nsb nsc nse nsi nsk nsn nso nsp nss nst ntb ntc nte nti ntk ntn nto ntp nts ntt o-i ob- obb obc obe obi obk obn obo obp obs obt oc- ocb occ oci ock ocn oco ocp ocs oct oeb oec oee oei oen oeo oep oes oet oib oic oie oii oik oin oio oip ois oit okb okc oke oki okk oko okp oks on- onb onc one oni onk onn ono onp ons ont oo- oob ooc ooi ook oon ooo oop oos oot op- opb opc ope opi opk opn opo opp ops opt os- osb osc ose osi osk osn oso osp oss ost ot- otb otc ote oti otk otn oto otp ots ott p-p pbb pbc pbe pbi pbk pbn pbo pbp pbs pbt pcb pcc pce pci pck pcn pco pcp pcs pct peb pec pee pei pek pen peo pep pes pet pib pic pie pii pik pin pio pip pis pit pkb pkc pke pki pkn pko pkp pks pkt pn- pnb pnc pne pni pnk pnn pno pnp pns pnt pob poc poe poi pok pon poo pop pos pot ppb ppc ppe ppi ppk ppn ppo ppp pps ppt ps- psb psc pse psi psk psn pso psp pss pst pt- ptb ptc pte pti ptk ptn pto ptp pts ptt sbb sbc sbe sbi sbk sbn sbo sbp sbs sbt scb scc sce sci sck scn sco scp scs sct se- seb sec see sei sek sen seo sep ses set sib sic sie sii sik sin sio sip sis sit sk- skb skc ske ski skk sko skp sks skt snb snc sne sni snk snn sno snp sns snt sob soc soe soi sok son soo sop sos sot spb spc spe spi spk spn spo spp sps spt ss- ssb ssc sse ssi ssk ssn sso ssp sss sst stb stc ste sti stk stn sto stp sts stt tbb tbc tbe tbi tbk tbn tbo tbp tbs tbt tcb tcc tce tci tck tcn tco tcp tcs tct te- teb tec tee tei tek ten teo tep tes tet tib tic tie tii tik tin tio tip tis tit tkb tkc tke tkk tko tkp tks tkt tnb tnc tne tni tnk tnn tno tnp tns tnt to- tob toc toe toi tok ton too top tos tot tpb tpc tpe tpi tpk tpn tpo tpp tps tpt tsb tsc tse tsi tsk tsn tso tsp tss tst ttb ttc tte tti ttk ttn