-er -ic -ol b-u bbb bbc bbe bbf bbi bbl bbm bbo bbr bbs bbt bbu bcb bcc bce bcf bci bcl bcm bco bcr bcs bct bcu be- beb bec bee bef bei bel bem beo ber bes bet beu bfb bfc bfe bff bfi bfl bfm bfo bfr bfs bft bfu bi- bib bic bie bif bii bil bim bio bir bis bit biu blb blc ble blf bli bll blm blo blr bls blt blu bmb bmc bme bmf bmi bml bmm bmo bmr bms bmt bmu bob boc boe bof boi bol bom boo bor bos bot bou brb bre brf bri brl brm bro brr brs brt bru bsb bsc bse bsf bsi bsl bsm bso bsr bss bst bsu btb btc bte btf bti btl btm bto btr bts btt btu bub buc bue buf bui bul bum buo bur bus but buu c-- cbb cbc cbe cbf cbi cbl cbm cbo cbr cbs cbt cbu ccb ccc cce ccf cci ccl ccm cco ccr ccs cct ccu ce- ceb cec cee cef cei cel cem ceo cer ces cet ceu cfb cfc cfe cff cfi cfl cfm cfo cfr cfs cft cfu ci- cib cic cie cif cii cil cim cio cir cis cit ciu cl- clb clc cle clf cli cll clm clo clr cls clt clu cmb cmc cme cmf cmi cml cmm cmo cmr cms cmt cmu co- cob coc coe cof coi col com coo cor cos cot cou crb crc cre crf cri crl crm cro crr crs crt cru csb csc cse csf csi csl csm cso csr css cst csu ctb ctc cte ctf cti ctl ctm cto ctr cts ctt ctu cub cuc cue cuf cui cul cum cuo cur cus cut cuu ebb ebc ebe ebf ebi ebl ebm ebo ebr ebs ebt ebu ec- ecb ecc ece ecf eci ecl ecm eco ecr ecs ect ecu eeb eec eee eef eel eem eeo eer ees eet ef- efb efc efe eff efi efl efm efo efr efs eft eib eic eie eif eii eil eim eio eir eis eit eiu elb elc ele elf eli ell elm elo elr els elt elu em- emb emc eme emf emi eml emm emo emr ems emt emu eo- eob eoc eoe eof eoi eol eom eoo eor eos eot eou erb erc ere erf eri erl erm ero err ers ert eru es- esb esc ese esf esi esl esm eso esr ess est esu etb etc ete etf eti etl etm eto etr ets ett etu eu- eub euc eue euf eui eul eur eus eut fbb fbc fbe fbf fbi fbl fbm fbo fbr fbs fbt fbu fcb fcc fce fcf fci fcl fcm fco fcr fcs fct fcu feb fec fee fef fei fel fem feo fer fes fet feu ffc ffe fff ffi ffl ffm ffo ffr ffs fft ffu fib fic fie fif fii fil fim fir fis fit fiu flb flc fle flf fli fll flm flo flr fls flt flu fmb fmc fme fmf fmi fml fmm fmo fmr fms fmt fmu fob foc foe fof foi fol fom foo for fos fot fou frb frc fre frf fri frl frm fro frr frs frt fru fsb fsc fse fsf fsi fsl fsm fso fsr fss fst fsu ftb ftc fte ftf fti ftl ftm fto ftr fts ftt ftu fub fue fuf fui ful fum fuo fur fus fut fuu i-f ibb ibc ibe ibf ibi ibl ibm ibo ibr ibs ibt ibu icb icc ice icf ici icl icm ico icr ics ict icu ie- iec iee ief iei iel iem ier ies iet ifb ifc ife iff ifi ifl ifm ifo ifr ifs ift ifu iib iic iie iif iii iil iim iio iir iis iit iiu il- ilb ilc ile ilf ili ill ilm ilo ilr ils ilt ilu im- imb imc ime imf imi iml imm imo ims imt imu io- iob ioc ioe iof ioi iol iom ioo ior ios iot iou ir- irb irc ire irf iri irl irm iro irr irs irt iru is- isb isc ise isf isi isl ism iso isr iss ist isu itb itc ite itf iti itl itm ito its itt itu iu- iub iuc iue iui ium iur ius iut lbb lbc lbe lbf lbi lbl lbm lbo lbr lbs lbt lbu lcb lcc lce lcf lci lcl lcm lco lcr lcs lct lcu leb lec lee lef lei lel lem leo ler les let leu lfb lfc lfe lff lfi lfl lfm lfo lfr lfs lft lfu lib lic lie lif lii lil lim lio lir lis lit liu llb llc lle llf lli lll llm llo llr lls llt llu lmb lmc lme lmf lmi lml lmm lmo lmr lms lmt lmu lob loc loe lof loi lol lom loo lor los lot lou lrb lrc lrf lri lrm lro lrr lrs lrt lru lsb lsc lse lsf lsi lsl lsm lso lsr lss lst lsu ltb ltc lte ltf lti ltl ltm lto ltr lts ltt ltu lub luc lue luf lui lul lum luo lur lus lut luu m-f m-o m-r mbb mbc mbe mbf mbi mbl mbm mbo mbr mbs mbt mbu mc- mcb mcc mce mcf mci mcl mcm mco mcr mcs mct mcu meb mec mee mef mei mel mem meo mer mes met meu mfb mfc mfe mff mfi mfl mfm mfo mfr mfs mft mfu mi- mib mic mie mif mii mil mim mio mir mis mit miu mlb mlc mle mlf mli mll mlm mlo mlr mls mlt mlu mmb mmc mme mmf mmi mml mmm mmo mmr mms mmt mmu mob moc moe mof moi mol mom moo mor mos mot mou mrb mrc mre mrf mri mrl mrm mro mrr mrs mrt mru msb msc mse msf msi msl msm mso msr mss mst msu mtb mtc mte mtf mti mtl mtm