-al -er -ic a-a a-b a-c a-i aaa aab aac aae aaf aai aal aam aar aas ab- aba abb abc abe abf abi abl abm abr abs ac- aca acb acc ace acf aci acl acm acr acs aea aeb aec aee aef aei ael aem aer aes af- afa afb afc afe aff afi afl afm afr afs ai- aia aib aic aie aif aii ail aim air ais al- ala alb alc ale alf ali all alm alr als ama amb amc ame amf ami aml amm amr ams ar- ara arb arc are arf ari arl arm arr ars as- asa asb asc ase asf asi asl asm asr ass baa bab bac bae baf bai bal bam bar bas bba bbb bbc bbe bbf bbi bbl bbm bbr bbs bca bcb bcc bce bcf bci bcl bcm bcr bcs be- bea beb bec bee bef bei bel bem ber bes bfa bfb bfc bfe bff bfi bfl bfm bfr bfs bi- bia bib bic bie bif bii bil bim bir bis bla blb blc ble blf bli bll blm blr bls bma bmb bmc bme bmf bmi bml bmm bmr bms bra brb bre brf bri brl brm brr brs bsa bsb bsc bse bsf bsi bsl bsm bsr bss c-- caa cab cac cae caf cai cal cam car cas cba cbb cbc cbe cbf cbi cbl cbm cbr cbs cca ccb ccc cce ccf cci ccl ccm ccr ccs ce- cea ceb cec cee cef cei cel cem cer ces cfa cfb cfc cfe cff cfi cfl cfm cfr cfs ci- cia cib cic cie cif cii cil cim cir cis cl- cla clb clc cle clf cli cll clm clr cls cma cmb cmc cme cmf cmi cml cmm cmr cms cra crb crc cre crf cri crl crm crr crs csa csb csc cse csf csi csl csm csr css eaa eab eac eae eaf eai eal eam ear eas eba ebb ebc ebe ebf ebi ebl ebm ebr ebs ec- eca ecb ecc ece ecf eci ecl ecm ecr ecs eea eeb eec eee eef eel eem eer ees ef- efa efb efc efe eff efi efl efm efr efs eia eib eic eie eif eii eil eim eir eis ela elb elc ele elf eli ell elm elr els em- ema emb emc eme emf emi eml emm emr ems era erb erc ere erf eri erl erm err ers es- esa esb esc ese esf esi esl esm esr ess faa fab fac fae faf fai fal fam far fas fba fbb fbc fbe fbf fbi fbl fbm fbr fbs fca fcb fcc fce fcf fci fcl fcm fcr fcs fea feb fec fee fef fei fel fem fer fes ffa ffc ffe fff ffi ffl ffm ffr ffs fia fib fic fie fif fii fil fim fir fis fla flb flc fle flf fli fll flm flr fls fma fmb fmc fme fmf fmi fml fmm fmr fms fra frb frc fre frf fri frl frm frr frs fsa fsb fsc fse fsf fsi fsl fsm fsr fss i-f ia- iaa iab iac iae iaf iai ial iam iar ias iba ibb ibc ibe ibf ibi ibl ibm ibr ibs ica icb icc ice icf ici icl icm icr ics ie- iea iec iee ief iei iel iem ier ies ifa ifb ifc ife iff ifi ifl ifm ifr ifs iia iib iic iie iif iii iil iim iir iis il- ila ilb ilc ile ilf ili ill ilm ilr ils im- ima imb imc ime imf imi iml imm ims ir- ira irb irc ire irf iri irl irm irr irs is- isa isb isc ise isf isi isl ism isr iss la- laa lab lac lae laf lai lal lam lar las lba lbb lbc lbe lbf lbi lbl lbm lbr lbs lca lcb lcc lce lcf lci lcl lcm lcr lcs lea leb lec lee lef lei lel lem ler les lfa lfb lfc lfe lff lfi lfl lfm lfr lfs lia lib lic lie lif lii lil lim lir lis lla llb llc lle llf lli lll llm llr lls lma lmb lmc lme lmf lmi lml lmm lmr lms lra lrb lrc lrf lri lrm lrr lrs lsa lsb lsc lse lsf lsi lsl lsm lsr lss m-f m-r maa mab mac mae maf mai mal mam mar mas mba mbb mbc mbe mbf mbi mbl mbm mbr mbs mc- mca mcb mcc mce mcf mci mcl mcm mcr mcs mea meb mec mee mef mei mel mem mer mes mfa mfb mfc mfe mff mfi mfl mfm mfr mfs mi- mia mib mic mie mif mii mil mim mir mis mla mlb mlc mle mlf mli mll mlm mlr mls mma mmb mmc mme mmf mmi mml mmm mmr mms mra mrb mrc mre mrf mri mrl mrm mrr mrs msa msb msc mse msf msi msl msm msr mss ra- raa rab rac rae raf rai ral ram rar ras rba rbb rbc rbe rbf rbi rbl rbm rbr rbs rca rcb rcc rce rcf rci rcl rcm rcr rcs re- rea reb rec ree ref rei rel rem rer res rfa rfb rfc rfe rff rfi rfl rfm rfr rfs ria rib ric rie rif rii ril rim rir ris rla rlc rle rlf rli rll rlm rlr rls rma rmb rmc rme rmf rmi rml rmm rmr rms rra rrb rrc rrf rri rrl rrm rrr rrs rsa rsb rsc rse rsf rsi rsl rsm rsr rss saa sab sac sae saf sai sal sam sar sas sba sbb sbc sbe sbf sbi sbl sbm sbr sbs sca scb scc sce scf sci scl scm scr scs se- sea seb sec see sef sei sel sem ser ses sfa sfb sfc sfe sff sfi sfl sfm sfr sfs sia sib sic sie sif sii sil sim sir sis sla slb slc sle slf sli sll slm slr sls