-er -ic -ol b-u bbb bbc bbe bbf bbi bbl bbn bbo bbr bbu bcb bcc bce bcf bci bcl bcn bco bcr bcu be- beb bec bee bef bei bel ben beo ber beu bfb bfc bfe bff bfi bfl bfn bfo bfr bfu bi- bib bic bie bif bii bil bin bio bir biu blb blc ble blf bli bll bln blo blr blu bnb bnc bne bnf bni bnl bnn bno bnr bnu bob boc boe bof boi bol bon boo bor bou brb bre brf bri brl brn bro brr bru bub buc bue buf bui bul bun buo bur buu c-- cbb cbc cbe cbf cbi cbl cbn cbo cbr cbu ccb ccc cce ccf cci ccl ccn cco ccr ccu ce- ceb cec cee cef cei cel cen ceo cer ceu cfb cfc cfe cff cfi cfl cfn cfo cfr cfu ci- cib cic cie cif cii cil cin cio cir ciu cl- clb clc cle clf cli cll cln clo clr clu cn- cnb cnc cne cnf cni cnl cnn cno cnr cnu co- cob coc coe cof coi col con coo cor cou crb crc cre crf cri crl crn cro crr cru cub cuc cue cuf cui cul cun cuo cur cuu ebb ebc ebe ebf ebi ebl ebn ebo ebr ebu ec- ecb ecc ece ecf eci ecl ecn eco ecr ecu eeb eec eee eef eel een eeo eer ef- efb efc efe eff efi efl efo efr eib eic eie eif eii eil ein eio eir eiu elb elc ele elf eli ell eln elo elr elu en- enb enc ene enf eni enl enn eno enr enu eo- eob eoc eoe eof eoi eol eon eoo eor eou erb erc ere erf eri erl ern ero err eru eu- eub euc eue euf eui eul eun eur fbb fbc fbe fbf fbi fbl fbn fbo fbr fbu fcb fcc fce fcf fci fcl fcn fco fcr fcu feb fec fee fef fei fel fen feo fer feu ffc ffe fff ffi ffl ffn ffo ffr ffu fib fic fie fif fii fil fin fir fiu flb flc fle flf fli fll fln flo flr flu fnb fnc fne fnf fni fnl fnn fnr fnu fob foc foe fof foi fol fon foo for fou frb frc fre frf fri frl frn fro frr fru fub fue fuf fui ful fun fuo fur fuu i-f ibb ibc ibe ibf ibi ibl ibn ibo ibr ibu icb icc ice icf ici icl icn ico icr icu ie- iec iee ief iei iel ien ier ifb ifc ife iff ifi ifl ifn ifo ifr ifu iib iic iie iif iii iil iin iio iir iiu il- ilb ilc ile ilf ili ill iln ilo ilr ilu in- inb inc ine inf ini inl inn ino inr inu io- iob ioc ioe iof ioi iol ion ioo ior iou ir- irb irc ire irf iri irl irn iro irr iru iu- iub iuc iue iui iur lbb lbc lbe lbf lbi lbl lbo lbr lbu lcb lcc lce lcf lci lcl lcn lco lcr lcu leb lec lee lef lei lel len leo ler leu lfb lfc lfe lff lfi lfl lfn lfo lfr lfu lib lic lie lif lii lil lin lio lir liu llb llc lle llf lli lll lln llo llr llu lnb lnc lne lni lnl lnn lno lnr lnu lob loc loe lof loi lol lon loo lor lou lrb lrc lrf lri lrn lro lrr lru lub luc lue luf lui lul lun luo lur luu n-i nbb nbc nbe nbf nbi nbl nbn nbo nbr nbu ncb ncc nce ncf nci ncl ncn nco ncr ncu ne- neb nec nee nef nei nel nen neo ner neu nfb nfc nfe nff nfi nfl nfn nfo nfr nfu nib nic nie nif nii nil nin nio nir niu nlb nlc nle nlf nli nll nln nlo nlr nlu nnb nnc nne nnf nni nnl nnn nno nnu no- nob noc noe nof noi nol non noo nor nou nrb nrc nre nrf nri nrl nrn nro nrr nru nub nuc nue nui nul nun nuo nur nuu o-i ob- obb obc obe obf obi obl obn obo obr obu oc- ocb occ ocf oci ocl ocn oco ocr ocu oeb oec oee oef oei oel oen oeo oer of- ofb ofc ofe off ofi ofl ofn ofo ofr ofu oib oic oie oif oii oil oin oio oir oiu olb olc ole olf oli oll oln olo olu on- onb onc one onf oni onl onn ono onr onu oo- oob ooc oof ooi ool oon ooo oor or- orb orc ore orf ori orl orn oro orr oru ou- ouc oue ouf oui oul oun ouo our rbb rbc rbe rbf rbi rbl rbn rbo rbr rbu rcb rcc rce rcf rci rcl rcn rco rcr rcu re- reb rec ree ref rei rel ren reo rer reu rfb rfc rfe rff rfi rfl rfn rfo rfr rfu rib ric rie rif rii ril rin rio rir rlc rle rlf rli rll rln rlo rlr rlu rnb rnc rni rnn rno rnr rnu rob roc roe rof roi rol ron roo ror rou rrb rrc rrf rri rrl rrn rrr rru rub ruc rue ruf rui run ruo rur ruu ubb ubc ube ubf ubi ubl ubn ubo ubr ubu ucb ucc uce ucf uci ucl ucn uco ucr ucu ueb uec uee uef uei uel uen uer ufc ufe uff ufi ufl ufn ufo ufr ufu uib uic uie uif uii uil uin uio uir uiu ulb ulc ule ulf uli ull uln ulo ulr ulu un- unb unc une unf uni unl unn uno unr unu uob uoc uoe uol uon uoo uor ur- urb urc ure urf uri url urn uro urr uru uuc uue uun uur uuu