-al -er -ic a-a a-b a-c a-i aaa aab aac aae aai aal aam aar aas aau aax ab- aba abb abc abe abi abl abm abr abs abu abx ac- aca acb acc ace aci acl acm acr acs acu acx aea aeb aec aee aei ael aem aer aes aeu aex ai- aia aib aic aie aii ail aim air ais aiu aix al- ala alb alc ale ali all alm alr als alu alx ama amb amc ame ami aml amm amr ams amu amx ar- ara arb arc are ari arl arm arr ars aru arx as- asa asb asc ase asi asl asm asr ass asu asx au- aua aub auc aue aui aul aum aur aus aux ax- axa axe axi axl axm axr axs axx b-u baa bab bac bae bai bal bam bar bas bau bax bba bbb bbc bbe bbi bbl bbm bbr bbs bbu bbx bca bcb bcc bce bci bcl bcm bcr bcs bcu bcx be- bea beb bec bee bei bel bem ber bes beu bex bi- bia bib bic bie bii bil bim bir bis biu bix bla blb blc ble bli bll blm blr bls blu blx bma bmb bmc bme bmi bml bmm bmr bms bmu bmx bra brb bre bri brl brm brr brs bru brx bsa bsb bsc bse bsi bsl bsm bsr bss bsu bsx bua bub buc bue bui bul bum bur bus buu bux bxb bxi bxl bxm bxx c-- caa cab cac cae cai cal cam car cas cau cax cba cbb cbc cbe cbi cbl cbm cbr cbs cbu cbx cca ccb ccc cce cci ccl ccm ccr ccs ccu ccx ce- cea ceb cec cee cei cel cem cer ces ceu cex ci- cia cib cic cie cii cil cim cir cis ciu cix cl- cla clb clc cle cli cll clm clr cls clu clx cma cmb cmc cme cmi cml cmm cmr cms cmu cmx cra crb crc cre cri crl crm crr crs cru crx csa csb csc cse csi csl csm csr css csu csx cua cub cuc cue cui cul cum cur cus cuu cxc cxi cxl cxr cxs cxx eaa eab eac eae eai eal eam ear eas eau eax eba ebb ebc ebe ebi ebl ebm ebr ebs ebu ebx ec- eca ecb ecc ece eci ecl ecm ecr ecs ecu ecx eea eeb eec eee eel eem eer ees eex eia eib eic eie eii eil eim eir eis eiu eix ela elb elc ele eli ell elm elr els elu elx em- ema emb emc eme emi eml emm emr ems emu emx era erb erc ere eri erl erm err ers eru es- esa esb esc ese esi esl esm esr ess esu esx eu- eua eub euc eue eui eul eur eus eux ex- exa exc exe exi exl exr exs exu exx ia- iaa iab iac iae iai ial iam iar ias iau iba ibb ibc ibe ibi ibl ibm ibr ibs ibu ibx ica icb icc ice ici icl icm icr ics icu ie- iea iec iee iei iel iem ier ies iex iia iib iic iie iii iil iim iir iis iiu iix il- ila ilb ilc ile ili ill ilm ilr ils ilu ilx im- ima imb imc ime imi iml imm ims imu imx ir- ira irb irc ire iri irl irm irr irs iru irx is- isa isb isc ise isi isl ism isr iss isu iu- iua iub iuc iue iui ium iur ius ixc ixe ixi ixl la- laa lab lac lae lai lal lam lar las lau lax lba lbb lbc lbe lbi lbl lbm lbr lbs lbu lbx lca lcb lcc lce lci lcl lcm lcr lcs lcu lcx lea leb lec lee lei lel lem ler les leu lex lia lib lic lie lii lil lim lir lis liu lix lla llb llc lle lli lll llm llr lls llu lma lmb lmc lme lmi lml lmm lmr lms lmu lra lrb lrc lri lrm lrr lrs lru lsa lsb lsc lse lsi lsl lsm lsr lss lsu lua lub luc lue lui lul lum lur lus luu lux lxc lxi lxr lxx m-r maa mab mac mae mai mal mam mar mas mau max mba mbb mbc mbe mbi mbl mbm mbr mbs mbu mbx mc- mca mcb mcc mce mci mcl mcm mcr mcs mcu mcx mea meb mec mee mei mel mem mer mes meu mex mi- mia mib mic mie mii mil mim mir mis miu mix mla mlb mlc mle mli mll mlm mlr mls mlu mlx mma mmb mmc mme mmi mml mmm mmr mms mmu mmx mra mrb mrc mre mri mrl mrm mrr mrs mru mrx msa msb msc mse msi msl msm msr mss msu msx mua mub muc mue mui mul mum mur mus muu mux mxa mxc mxi mxl mxr mxs mxu ra- raa rab rac rae rai ral ram rar ras rau rax rba rbb rbc rbe rbi rbl rbm rbr rbs rbu rbx rca rcb rcc rce rci rcl rcm rcr rcs rcu rcx re- rea reb rec ree rei rel rem rer res reu rex ria rib ric rie rii ril rim rir ris rix rla rlc rle rli rll rlm rlr rls rlu rma rmb rmc rme rmi rml rmm rmr rms rmx rra rrb rrc rri rrl rrm rrr rrs rru rsa rsb rsc rse rsi rsl rsm rsr rss rsu rsx rua rub ruc rue rui rum rur rus ruu rux rxr rxs saa sab sac sae sai sal sam sar sas sau sax sba sbb sbc sbe sbi sbl sbm sbr sbs sbu sbx sca scb scc sce sci scl scm scr scs scu scx se- sea seb sec see sei sel sem ser ses seu sex sia sib sic sie sii sil sim sir sis siu six sla slb slc sle sli sll slm slr sls