-al -ic a-a a-b a-c a-i aaa aab aac aaf aai aal aam aar aas ab- aba abb abc abf abi abl abm abr abs ac- aca acb acc acf aci acl acm acr acs af- afa afb afc aff afi afl afm afr afs ai- aia aib aic aif aii ail aim air ais al- ala alb alc alf ali all alm alr als ama amb amc amf ami aml amm amr ams ar- ara arb arc arf ari arl arm arr ars as- asa asb asc asf asi asl asm asr ass baa bab bac baf bai bal bam bar bas bba bbb bbc bbf bbi bbl bbm bbr bbs bca bcb bcc bcf bci bcl bcm bcr bcs bfa bfb bfc bff bfi bfl bfm bfr bfs bi- bia bib bic bif bii bil bim bir bis bla blb blc blf bli bll blm blr bls bma bmb bmc bmf bmi bml bmm bmr bms bra brb brf bri brl brm brr brs bsa bsb bsc bsf bsi bsl bsm bsr bss c-- caa cab cac caf cai cal cam car cas cba cbb cbc cbf cbi cbl cbm cbr cbs cca ccb ccc ccf cci ccl ccm ccr ccs cfa cfb cfc cff cfi cfl cfm cfr cfs ci- cia cib cic cif cii cil cim cir cis cl- cla clb clc clf cli cll clm clr cls cma cmb cmc cmf cmi cml cmm cmr cms cra crb crc crf cri crl crm crr crs csa csb csc csf csi csl csm csr css faa fab fac faf fai fal fam far fas fba fbb fbc fbf fbi fbl fbm fbr fbs fca fcb fcc fcf fci fcl fcm fcr fcs ffa ffc fff ffi ffl ffm ffr ffs fia fib fic fif fii fil fim fir fis fla flb flc flf fli fll flm flr fls fma fmb fmc fmf fmi fml fmm fmr fms fra frb frc frf fri frl frm frr frs fsa fsb fsc fsf fsi fsl fsm fsr fss i-f ia- iaa iab iac iaf iai ial iam iar ias iba ibb ibc ibf ibi ibl ibm ibr ibs ica icb icc icf ici icl icm icr ics ifa ifb ifc iff ifi ifl ifm ifr ifs iia iib iic iif iii iil iim iir iis il- ila ilb ilc ilf ili ill ilm ilr ils im- ima imb imc imf imi iml imm ims ir- ira irb irc irf iri irl irm irr irs is- isa isb isc isf isi isl ism isr iss la- laa lab lac laf lai lal lam lar las lba lbb lbc lbf lbi lbl lbm lbr lbs lca lcb lcc lcf lci lcl lcm lcr lcs lfa lfb lfc lff lfi lfl lfm lfr lfs lia lib lic lif lii lil lim lir lis lla llb llc llf lli lll llm llr lls lma lmb lmc lmf lmi lml lmm lmr lms lra lrb lrc lrf lri lrm lrr lrs lsa lsb lsc lsf lsi lsl lsm lsr lss m-f m-r maa mab mac maf mai mal mam mar mas mba mbb mbc mbf mbi mbl mbm mbr mbs mc- mca mcb mcc mcf mci mcl mcm mcr mcs mfa mfb mfc mff mfi mfl mfm mfr mfs mi- mia mib mic mif mii mil mim mir mis mla mlb mlc mlf mli mll mlm mlr mls mma mmb mmc mmf mmi mml mmm mmr mms mra mrb mrc mrf mri mrl mrm mrr mrs msa msb msc msf msi msl msm msr mss ra- raa rab rac raf rai ral ram rar ras rba rbb rbc rbf rbi rbl rbm rbr rbs rca rcb rcc rcf rci rcl rcm rcr rcs rfa rfb rfc rff rfi rfl rfm rfr rfs ria rib ric rif rii ril rim rir ris rla rlc rlf rli rll rlm rlr rls rma rmb rmc rmf rmi rml rmm rmr rms rra rrb rrc rrf rri rrl rrm rrr rrs rsa rsb rsc rsf rsi rsl rsm rsr rss saa sab sac saf sai sal sam sar sas sba sbb sbc sbf sbi sbl sbm sbr sbs sca scb scc scf sci scl scm scr scs sfa sfb sfc sff sfi sfl sfm sfr sfs sia sib sic sif sii sil sim sir sis sla slb slc slf sli sll slm slr sls sma smb smc smf smi sml smm smr sms sr- sra srb src srf sri srl srm srr srs ss- ssa ssb ssc ssf ssi ssl ssm ssr sss