-al -er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aal aar aas aat aau aav ab- aba abb abc abe abi abl abr abs abt abu abv ac- aca acb acc ace aci acl acr acs act acu acv aea aeb aec aee aei ael aer aes aet aeu aev ai- aia aib aic aie aii ail air ais ait aiu aiv al- ala alb alc ale ali all alr als alt alu alv ar- ara arb arc are ari arl arr ars art aru arv as- asa asb asc ase asi asl asr ass ast asu asv at- ata atb atc ate ati atl atr ats att atu atv au- aua aub auc aue aui aul aur aus aut auv av- ava avb avc ave avi avl avr avs avt avu b-u baa bab bac bae bai bal bar bas bat bau bav bba bbb bbc bbe bbi bbl bbr bbs bbt bbu bca bcb bcc bce bci bcl bcr bcs bct bcu bcv be- bea beb bec bee bei bel ber bes bet beu bev bi- bia bib bic bie bii bil bir bis bit biu biv bla blb blc ble bli bll blr bls blt blu blv bra brb bre bri brl brr brs brt bru brv bsa bsb bsc bse bsi bsl bsr bss bst bsu bsv bta btb btc bte bti btl btr bts btt btu btv bua bub buc bue bui bul bur bus but buu bva bvb bvc bve bvi bvl bvr bvs bvt bvu bvv c-- caa cab cac cae cai cal car cas cat cau cav cba cbb cbc cbe cbi cbl cbr cbs cbt cbu cbv cca ccb ccc cce cci ccl ccr ccs cct ccu ccv ce- cea ceb cec cee cei cel cer ces cet ceu cev ci- cia cib cic cie cii cil cir cis cit ciu civ cl- cla clb clc cle cli cll clr cls clt clu clv cra crb crc cre cri crl crr crs crt cru crv csa csb csc cse csi csl csr css cst csu csv cta ctb ctc cte cti ctl ctr cts ctt ctu ctv cua cub cuc cue cui cul cur cus cut cuu cuv cva cvb cvc cve cvi cvl cvr cvs cvt cvu cvv eaa eab eac eae eai eal ear eas eat eau eav eba ebb ebc ebe ebi ebl ebr ebs ebt ebu ebv ec- eca ecb ecc ece eci ecl ecr ecs ect ecu ecv eea eeb eec eee eel eer ees eet eev eia eib eic eie eii eil eir eis eit eiu eiv ela elb elc ele eli ell elr els elt elu elv era erb erc ere eri erl err ers ert eru erv es- esa esb esc ese esi esl esr ess est esu esv eta etb etc ete eti etl etr ets ett etu etv eu- eua eub euc eue eui eul eur eus eut euv eva evb evc eve evi evl evr evs evt evv i-v ia- iaa iab iac iae iai ial iar ias iat iau iav iba ibb ibc ibe ibi ibl ibr ibs ibt ibu ibv ica icb icc ice ici icl icr ics ict icu icv ie- iea iec iee iei iel ier ies iet iev iia iib iic iie iii iil iir iis iit iiu il- ila ilb ilc ile ili ill ilr ils ilt ilu ilv ir- ira irb irc ire iri irl irr irs irt iru irv is- isa isb isc ise isi isl isr iss ist isu isv ita itb itc ite iti itl its itt itu itv iu- iua iub iuc iue iui iur ius iut iva ivb ivc ive ivi ivl ivr ivs ivt ivu ivv la- laa lab lac lae lai lal lar las lat lau lav lba lbb lbc lbe lbi lbl lbr lbs lbt lbu lbv lca lcb lcc lce lci lcl lcr lcs lct lcu lcv lea leb lec lee lei lel ler les let leu lev lia lib lic lie lii lil lir lis lit liu liv lla llb llc lle lli lll llr lls llt llu llv lra lrb lrc lri lrr lrs lrt lru lrv lsa lsb lsc lse lsi lsl lsr lss lst lsu lsv lta ltb ltc lte lti ltl ltr lts ltt ltu ltv lua lub luc lue lui lul lur lus lut luu luv lva lvb lvc lve lvi lvl lvr lvs lvt lvv ra- raa rab rac rae rai ral rar ras rat rau rav rba rbb rbc rbe rbi rbl rbr rbs rbt rbu rca rcb rcc rce rci rcl rcr rcs rct rcu rcv re- rea reb rec ree rei rel rer res ret reu rev ria rib ric rie rii ril rir ris rit riv rla rlc rle rli rll rlr rls rlt rlu rra rrb rrc rri rrl rrr rrs rrt rru rsa rsb rsc rse rsi rsl rsr rss rst rsu rsv rta rtb rtc rte rti rtl rtr rts rtt rtu rtv rua rub ruc rue rui rur rus rut ruu ruv rva rvb rvc rve rvi rvl rvr rvs rvt rvu rvv saa sab sac sae sai sal sar sas sat sau sav sba sbb sbc sbe sbi sbl sbr sbs sbt sbu sbv sca scb scc sce sci scl scr scs sct scu scv se- sea seb sec see sei sel ser ses set seu sev sia sib sic sie sii sil sir sis sit siu siv sla slb slc sle sli sll slr sls slt slu slv sr- sra srb src sre sri srl srr srs srt srv ss- ssa ssb ssc sse ssi ssl ssr sss sst ssu ssv sta stb stc ste sti stl str sts stt stu stv sua sub suc sue sui sul sur sus sut suu suv sva svb svc sve svi svl svr svs svt svu svv taa tab tac tae tai tal tar tas tat tau tav tba tbb tbc tbe tbi tbl tbr tbs