-er -ic -up b-p b-u bbb bbc bbe bbi bbn bbo bbp bbr bbs bbt bbu bcb bcc bce bci bcn bco bcp bcr bcs bct bcu be- beb bec bee bei ben beo bep ber bes bet beu bi- bib bic bie bii bin bio bip bir bis bit biu bnb bnc bne bni bnn bno bnp bnr bns bnt bnu bob boc boe boi bon boo bop bor bos bot bou bpb bpc bpe bpi bpn bpo bpp bpr bps bpt bpu brb bre bri brn bro brp brr brs brt bru bsb bsc bse bsi bsn bso bsp bsr bss bst bsu btb btc bte bti btn bto btp btr bts btt btu bub buc bue bui bun buo bup bur bus but buu c-- cbb cbc cbe cbi cbn cbo cbp cbr cbs cbt cbu ccb ccc cce cci ccn cco ccp ccr ccs cct ccu ce- ceb cec cee cei cen ceo cep cer ces cet ceu ci- cib cic cie cii cin cio cip cir cis cit ciu cn- cnb cnc cne cni cnn cno cnp cnr cns cnt cnu co- cob coc coe coi con coo cop cor cos cot cou cpb cpc cpe cpi cpn cpo cpp cpr cps cpt cpu crb crc cre cri crn cro crp crr crs crt cru csb csc cse csi csn cso csp csr css cst csu ctb ctc cte cti ctn cto ctp ctr cts ctt ctu cub cuc cue cui cun cuo cup cur cus cut cuu ebb ebc ebe ebi ebn ebo ebp ebr ebs ebt ebu ec- ecb ecc ece eci ecn eco ecr ecs ect ecu eeb eec eee een eeo eep eer ees eet eib eic eie eii ein eio eip eir eis eit eiu en- enb enc ene eni enn eno enp enr ens ent enu eo- eob eoc eoe eoi eon eoo eop eor eos eot eou ep- epb epc epe epi epn epo epp epr eps ept epu erb erc ere eri ern ero erp err ers ert eru es- esb esc ese esi esn eso esp esr ess est esu etb etc ete eti etn eto etp etr ets ett etu eu- eub euc eue eui eun eup eur eus eut ibb ibc ibe ibi ibn ibo ibp ibr ibs ibt ibu icb icc ice ici icn ico icp icr ics ict icu ie- iec iee iei ien iep ier ies iet iib iic iie iii iin iio iip iir iis iit iiu in- inb inc ine ini inn ino inp inr ins int inu io- iob ioc ioe ioi ion ioo iop ior ios iot iou ipb ipc ipe ipi ipn ipo ipp ipr ips ipt ipu ir- irb irc ire iri irn iro irp irr irs irt iru is- isb isc ise isi isn iso isp isr iss ist isu itb itc ite iti itn ito itp its itt itu iu- iub iuc iue iui iup iur ius iut n-i nbb nbc nbe nbi nbn nbo nbp nbr nbs nbt nbu ncb ncc nce nci ncn nco ncp ncr ncs nct ncu ne- neb nec nee nei nen neo nep ner nes net neu nib nic nie nii nin nio nip nir nis nit niu nnb nnc nne nni nnn nno nnp nns nnt nnu no- nob noc noe noi non noo nop nor nos not nou npb npc npe npi npn npo npp npr nps npt npu nrb nrc nre nri nrn nro nrp nrr nrs nrt nru nsb nsc nse nsi nsn nso nsp nsr nss nst nsu ntb ntc nte nti ntn nto ntp ntr nts ntt ntu nub nuc nue nui nun nuo nup nur nus nut nuu o-i ob- obb obc obe obi obn obo obp obr obs obt obu oc- ocb occ oci ocn oco ocp ocr ocs oct ocu oeb oec oee oei oen oeo oep oer oes oet oib oic oie oii oin oio oip oir ois oit oiu on- onb onc one oni onn ono onp onr ons ont onu oo- oob ooc ooi oon ooo oop oor oos oot op- opb opc ope opi opn opo opp opr ops opt or- orb orc ore ori orn oro orp orr ors ort oru os- osb osc ose osi osn oso osp osr oss ost osu ot- otb otc ote oti otn oto otp otr ots ott otu ou- ouc oue oui oun ouo oup our ous out p-p pbb pbc pbe pbi pbn pbo pbp pbr pbs pbt pbu pcb pcc pce pci pcn pco pcp pcr pcs pct pcu peb pec pee pei pen peo pep per pes pet peu pib pic pie pii pin pio pip pir pis pit piu pn- pnb pnc pne pni pnn pno pnp pnr pns pnt pnu pob poc poe poi pon poo pop por pos pot pou ppb ppc ppe ppi ppn ppo ppp ppr pps ppt ppu prb prc pre pri prn pro prp prr prs prt pru ps- psb psc pse psi psn pso psp psr pss pst psu pt- ptb ptc pte pti ptn pto ptp ptr pts ptt ptu pub puc pue pui pun pup pur pus put puu rbb rbc rbe rbi rbn rbo rbp rbr rbs rbt rbu rcb rcc rce rci rcn rco rcp rcr rcs rct rcu re- reb rec ree rei ren reo rep rer res ret reu rib ric rie rii rin rio rip rir ris rit rnb rnc rni rnn rno rnp rnr rns rnt rnu rob roc roe roi ron roo rop ror ros rot rou rpb rpc rpe rpi rpn rpo rpp rpr rps rpt rpu rrb rrc rri rrn rrp rrr rrs rrt rru rsb rsc rse rsi rsn rso rsp rsr rss rst rsu rtb rtc rte rti rtn rto rtp rtr rts rtt rtu rub ruc rue rui run ruo rup rur rus rut ruu sbb sbc sbe sbi sbn sbo sbp sbr sbs sbt sbu scb scc sce sci scn