-er -ic -up b-p b-u bbb bbc bbe bbi bbn bbo bbp bbr bbs bbu bcb bcc bce bci bcn bco bcp bcr bcs bcu bcv be- beb bec bee bei ben beo bep ber bes beu bev bi- bib bic bie bii bin bio bip bir bis biu biv bnb bnc bne bni bnn bno bnp bnr bns bnu bnv bob boc boe boi bon boo bop bor bos bou bov bpb bpc bpe bpi bpn bpo bpp bpr bps bpu bpv brb bre bri brn bro brp brr brs bru brv bsb bsc bse bsi bsn bso bsp bsr bss bsu bsv bub buc bue bui bun buo bup bur bus buu bvb bvc bve bvi bvn bvo bvp bvr bvs bvu bvv c-- cbb cbc cbe cbi cbn cbo cbp cbr cbs cbu cbv ccb ccc cce cci ccn cco ccp ccr ccs ccu ccv ce- ceb cec cee cei cen ceo cep cer ces ceu cev ci- cib cic cie cii cin cio cip cir cis ciu civ cn- cnb cnc cne cni cnn cno cnp cnr cns cnu cnv co- cob coc coe coi con coo cop cor cos cou cov cpb cpc cpe cpi cpn cpo cpp cpr cps cpu cpv crb crc cre cri crn cro crp crr crs cru crv csb csc cse csi csn cso csp csr css csu csv cub cuc cue cui cun cuo cup cur cus cuu cuv cvb cvc cve cvi cvn cvo cvp cvr cvs cvu cvv ebb ebc ebe ebi ebn ebo ebp ebr ebs ebu ebv ec- ecb ecc ece eci ecn eco ecr ecs ecu ecv eeb eec eee een eeo eep eer ees eev eib eic eie eii ein eio eip eir eis eiu eiv en- enb enc ene eni enn eno enp enr ens enu env eo- eob eoc eoe eoi eon eoo eop eor eos eou ep- epb epc epe epi epn epo epp epr eps epu erb erc ere eri ern ero erp err ers eru erv es- esb esc ese esi esn eso esp esr ess esu esv eu- eub euc eue eui eun eup eur eus euv evb evc eve evi evn evo evp evr evs evv i-v ibb ibc ibe ibi ibn ibo ibp ibr ibs ibu ibv icb icc ice ici icn ico icp icr ics icu icv ie- iec iee iei ien iep ier ies iev iib iic iie iii iin iio iip iir iis iiu in- inb inc ine ini inn ino inp inr ins inu inv io- iob ioc ioe ioi ion ioo iop ior ios iou iov ipb ipc ipe ipi ipn ipo ipp ipr ips ipu ipv ir- irb irc ire iri irn iro irp irr irs iru irv is- isb isc ise isi isn iso isp isr iss isu isv iu- iub iuc iue iui iup iur ius ivb ivc ive ivi ivo ivp ivr ivs ivu ivv n-i nbb nbc nbe nbi nbn nbo nbp nbr nbs nbu nbv ncb ncc nce nci ncn nco ncp ncr ncs ncu ncv ne- neb nec nee nei nen neo nep ner nes neu nev nib nic nie nii nin nio nip nir nis niu niv nnb nnc nne nni nnn nno nnp nns nnu nnv no- nob noc noe noi non noo nop nor nos nou nov npb npc npe npi npn npo npp npr nps npu npv nrb nrc nre nri nrn nro nrp nrr nrs nru nrv nsb nsc nse nsi nsn nso nsp nsr nss nsu nsv nub nuc nue nui nun nuo nup nur nus nuu nuv nvb nvc nve nvi nvn nvp nvu nvv o-i ob- obb obc obe obi obn obo obp obr obs obu obv oc- ocb occ oci ocn oco ocp ocr ocs ocu ocv oeb oec oee oei oen oeo oep oer oes oib oic oie oii oin oio oip oir ois oiu oiv on- onb onc one oni onn ono onp onr ons onu oo- oob ooc ooi oon ooo oop oor oos oov op- opb opc ope opi opn opo opp opr ops opv or- orb orc ore ori orn oro orp orr ors oru orv os- osb osc ose osi osn oso osp osr oss osu osv ou- ouc oue oui oun ouo oup our ous ov- ovb ovc ove ovi ovo ovp ovs ovv p-p pbb pbc pbe pbi pbn pbo pbp pbr pbs pbu pcb pcc pce pci pcn pco pcp pcr pcs pcu pcv peb pec pee pei pen peo pep per pes peu pev pib pic pie pii pin pio pip pir pis piu piv pn- pnb pnc pne pni pnn pno pnp pnr pns pnu pnv pob poc poe poi pon poo pop por pos pou pov ppb ppc ppe ppi ppn ppo ppp ppr pps ppu ppv prb prc pre pri prn pro prp prr prs pru prv ps- psb psc pse psi psn pso psp psr pss psu psv pub puc pue pui pun pup pur pus puu pvb pvc pve pvi pvn pvo pvp pvr pvs pvu pvv rbb rbc rbe rbi rbn rbo rbp rbr rbs rbu rcb rcc rce rci rcn rco rcp rcr rcs rcu rcv re- reb rec ree rei ren reo rep rer res reu rev rib ric rie rii rin rio rip rir ris riv rnb rnc rni rnn rno rnp rnr rns rnu rnv rob roc roe roi ron roo rop ror ros rou rov rpb rpc rpe rpi rpn rpo rpp rpr rps rpu rpv rrb rrc rri rrn rrp rrr rrs rru rsb rsc rse rsi rsn rso rsp rsr rss rsu rsv rub ruc rue rui run ruo rup rur rus ruu ruv rvb rvc rve rvi rvn rvo rvp rvr rvs rvu rvv sbb sbc sbe sbi sbn sbo sbp sbr sbs sbu sbv scb scc sce sci scn sco scp scr scs scu scv se- seb sec see sei sen seo sep ser ses seu sev sib sic