-er -ic -ol -up b-p b-u bbb bbc bbe bbi bbl bbn bbo bbp bbr bbs bbu bcb bcc bce bci bcl bcn bco bcp bcr bcs bcu be- beb bec bee bei bel ben beo bep ber bes beu bi- bib bic bie bii bil bin bio bip bir bis biu blb blc ble bli bll bln blo blp blr bls blu bnb bnc bne bni bnl bnn bno bnp bnr bns bnu bob boc boe boi bol bon boo bop bor bos bou bpb bpc bpe bpi bpl bpn bpo bpp bpr bps bpu brb bre bri brl brn bro brp brr brs bru bsb bsc bse bsi bsl bsn bso bsp bsr bss bsu bub buc bue bui bul bun buo bup bur bus buu c-- cbb cbc cbe cbi cbl cbn cbo cbp cbr cbs cbu ccb ccc cce cci ccl ccn cco ccp ccr ccs ccu ce- ceb cec cee cei cel cen ceo cep cer ces ceu ci- cib cic cie cii cil cin cio cip cir cis ciu cl- clb clc cle cli cll cln clo clp clr cls clu cn- cnb cnc cne cni cnl cnn cno cnp cnr cns cnu co- cob coc coe coi col con coo cop cor cos cou cpb cpc cpe cpi cpl cpn cpo cpp cpr cps cpu crb crc cre cri crl crn cro crp crr crs cru csb csc cse csi csl csn cso csp csr css csu cub cuc cue cui cul cun cuo cup cur cus cuu ebb ebc ebe ebi ebl ebn ebo ebp ebr ebs ebu ec- ecb ecc ece eci ecl ecn eco ecr ecs ecu eeb eec eee eel een eeo eep eer ees eib eic eie eii eil ein eio eip eir eis eiu elb elc ele eli ell eln elo elp elr els elu en- enb enc ene eni enl enn eno enp enr ens enu eo- eob eoc eoe eoi eol eon eoo eop eor eos eou ep- epb epc epe epi epl epn epo epp epr eps epu erb erc ere eri erl ern ero erp err ers eru es- esb esc ese esi esl esn eso esp esr ess esu eu- eub euc eue eui eul eun eup eur eus ibb ibc ibe ibi ibl ibn ibo ibp ibr ibs ibu icb icc ice ici icl icn ico icp icr ics icu ie- iec iee iei iel ien iep ier ies iib iic iie iii iil iin iio iip iir iis iiu il- ilb ilc ile ili ill iln ilo ilp ilr ils ilu in- inb inc ine ini inl inn ino inp inr ins inu io- iob ioc ioe ioi iol ion ioo iop ior ios iou ipb ipc ipe ipi ipl ipn ipo ipp ipr ips ipu ir- irb irc ire iri irl irn iro irp irr irs iru is- isb isc ise isi isl isn iso isp isr iss isu iu- iub iuc iue iui iup iur ius l-p lbb lbc lbe lbi lbl lbo lbp lbr lbs lbu lcb lcc lce lci lcl lcn lco lcp lcr lcs lcu leb lec lee lei lel len leo lep ler les leu lib lic lie lii lil lin lio lip lir lis liu llb llc lle lli lll lln llo llp llr lls llu lnb lnc lne lni lnl lnn lno lnp lnr lns lnu lob loc loe loi lol lon loo lop lor los lou lpb lpc lpe lpi lpl lpn lpo lpp lpr lps lpu lrb lrc lri lrn lro lrp lrr lrs lru lsb lsc lse lsi lsl lsn lso lsp lsr lss lsu lub luc lue lui lul lun luo lup lur lus luu n-i nbb nbc nbe nbi nbl nbn nbo nbp nbr nbs nbu ncb ncc nce nci ncl ncn nco ncp ncr ncs ncu ne- neb nec nee nei nel nen neo nep ner nes neu nib nic nie nii nil nin nio nip nir nis niu nlb nlc nle nli nll nln nlo nlp nlr nls nlu nnb nnc nne nni nnl nnn nno nnp nns nnu no- nob noc noe noi nol non noo nop nor nos nou npb npc npe npi npl npn npo npp npr nps npu nrb nrc nre nri nrl nrn nro nrp nrr nrs nru nsb nsc nse nsi nsl nsn nso nsp nsr nss nsu nub nuc nue nui nul nun nuo nup nur nus nuu o-i ob- obb obc obe obi obl obn obo obp obr obs obu oc- ocb occ oci ocl ocn oco ocp ocr ocs ocu oeb oec oee oei oel oen oeo oep oer oes oib oic oie oii oil oin oio oip oir ois oiu olb olc ole oli oll oln olo olp ols olu on- onb onc one oni onl onn ono onp onr ons onu oo- oob ooc ooi ool oon ooo oop oor oos op- opb opc ope opi opl opn opo opp opr ops or- orb orc ore ori orl orn oro orp orr ors oru os- osb osc ose osi osl osn oso osp osr oss osu ou- ouc oue oui oul oun ouo oup our ous p-p pbb pbc pbe pbi pbl pbn pbo pbp pbr pbs pbu pcb pcc pce pci pcl pcn pco pcp pcr pcs pcu peb pec pee pei pel pen peo pep per pes peu pib pic pie pii pil pin pio pip pir pis piu plb plc ple pli pll pln plo plp plr pls plu pn- pnb pnc pne pni pnl pnn pno pnp pnr pns pnu pob poc poe poi pol pon poo pop por pos pou ppb ppc ppe ppi ppl ppn ppo ppp ppr pps ppu prb prc pre pri prl prn pro prp prr prs pru ps- psb psc pse psi psl psn pso psp psr pss psu pub puc pue pui pul pun pup pur pus puu rbb rbc rbe rbi rbl rbn rbo rbp rbr rbs rbu rcb rcc rce rci