-er -ic -ol -up b-p b-u bbb bbc bbe bbi bbl bbn bbo bbp bbr bbu bcb bcc bce bci bcl bcn bco bcp bcr bcu be- beb bec bee bei bel ben beo bep ber beu bi- bib bic bie bii bil bin bio bip bir biu blb blc ble bli bll bln blo blp blr blu bnb bnc bne bni bnl bnn bno bnp bnr bnu bob boc boe boi bol bon boo bop bor bou bpb bpc bpe bpi bpl bpn bpo bpp bpr bpu brb bre bri brl brn bro brp brr bru bub buc bue bui bul bun buo bup bur buu c-- cbb cbc cbe cbi cbl cbn cbo cbp cbr cbu ccb ccc cce cci ccl ccn cco ccp ccr ccu ce- ceb cec cee cei cel cen ceo cep cer ceu ci- cib cic cie cii cil cin cio cip cir ciu cl- clb clc cle cli cll cln clo clp clr clu cn- cnb cnc cne cni cnl cnn cno cnp cnr cnu co- cob coc coe coi col con coo cop cor cou cpb cpc cpe cpi cpl cpn cpo cpp cpr cpu crb crc cre cri crl crn cro crp crr cru cub cuc cue cui cul cun cuo cup cur cuu ebb ebc ebe ebi ebl ebn ebo ebp ebr ebu ec- ecb ecc ece eci ecl ecn eco ecr ecu eeb eec eee eel een eeo eep eer eib eic eie eii eil ein eio eip eir eiu elb elc ele eli ell eln elo elp elr elu en- enb enc ene eni enl enn eno enp enr enu eo- eob eoc eoe eoi eol eon eoo eop eor eou ep- epb epc epe epi epl epn epo epp epr epu erb erc ere eri erl ern ero erp err eru eu- eub euc eue eui eul eun eup eur ibb ibc ibe ibi ibl ibn ibo ibp ibr ibu icb icc ice ici icl icn ico icp icr icu ie- iec iee iei iel ien iep ier iib iic iie iii iil iin iio iip iir iiu il- ilb ilc ile ili ill iln ilo ilp ilr ilu in- inb inc ine ini inl inn ino inp inr inu io- iob ioc ioe ioi iol ion ioo iop ior iou ipb ipc ipe ipi ipl ipn ipo ipp ipr ipu ir- irb irc ire iri irl irn iro irp irr iru iu- iub iuc iue iui iup iur l-p lbb lbc lbe lbi lbl lbo lbp lbr lbu lcb lcc lce lci lcl lcn lco lcp lcr lcu leb lec lee lei lel len leo lep ler leu lib lic lie lii lil lin lio lip lir liu llb llc lle lli lll lln llo llp llr llu lnb lnc lne lni lnl lnn lno lnp lnr lnu lob loc loe loi lol lon loo lop lor lou lpb lpc lpe lpi lpl lpn lpo lpp lpr lpu lrb lrc lri lrn lro lrp lrr lru lub luc lue lui lul lun luo lup lur luu n-i nbb nbc nbe nbi nbl nbn nbo nbp nbr nbu ncb ncc nce nci ncl ncn nco ncp ncr ncu ne- neb nec nee nei nel nen neo nep ner neu nib nic nie nii nil nin nio nip nir niu nlb nlc nle nli nll nln nlo nlp nlr nlu nnb nnc nne nni nnl nnn nno nnp nnu no- nob noc noe noi nol non noo nop nor nou npb npc npe npi npl npn npo npp npr npu nrb nrc nre nri nrl nrn nro nrp nrr nru nub nuc nue nui nul nun nuo nup nur nuu o-i ob- obb obc obe obi obl obn obo obp obr obu oc- ocb occ oci ocl ocn oco ocp ocr ocu oeb oec oee oei oel oen oeo oep oer oib oic oie oii oil oin oio oip oir oiu olb olc ole oli oll oln olo olp olu on- onb onc one oni onl onn ono onp onr onu oo- oob ooc ooi ool oon ooo oop oor op- opb opc ope opi opl opn opo opp opr or- orb orc ore ori orl orn oro orp orr oru ou- ouc oue oui oul oun ouo oup our p-p pbb pbc pbe pbi pbl pbn pbo pbp pbr pbu pcb pcc pce pci pcl pcn pco pcp pcr pcu peb pec pee pei pel pen peo pep per peu pib pic pie pii pil pin pio pip pir piu plb plc ple pli pll pln plo plp plr plu pn- pnb pnc pne pni pnl pnn pno pnp pnr pnu pob poc poe poi pol pon poo pop por pou ppb ppc ppe ppi ppl ppn ppo ppp ppr ppu prb prc pre pri prl prn pro prp prr pru pub puc pue pui pul pun pup pur puu rbb rbc rbe rbi rbl rbn rbo rbp rbr rbu rcb rcc rce rci rcl rcn rco rcp rcr rcu re- reb rec ree rei rel ren reo rep rer reu rib ric rie rii ril rin rio rip rir rlc rle rli rll rln rlo rlp rlr rlu rnb rnc rni rnn rno rnp rnr rnu rob roc roe roi rol ron roo rop ror rou rpb rpc rpe rpi rpl rpn rpo rpp rpr rpu rrb rrc rri rrl rrn rrp rrr rru rub ruc rue rui run ruo rup rur ruu ubb ubc ube ubi ubl ubn ubo ubp ubr ubu ucb ucc uce uci ucl ucn uco ucp ucr ucu ueb uec uee uei uel uen uep uer uib uic uie uii uil uin uio uip uir uiu ulb ulc ule uli ull uln ulo ulp ulr ulu un- unb unc une uni unl unn uno unp unr unu uob uoc uoe uol uon uoo uop uor up- upb upc upe upi upn upo upp upr upu ur- urb urc ure uri url urn uro urp urr uru uuc uue uun uur uuu