-al -er -ic -ol a-a a-b a-c a-i a-t aaa aab aac aae aai aal aao aap aar aas aat ab- aba abb abc abe abi abl abo abp abr abs abt ac- aca acb acc ace aci acl aco acp acr acs act aea aeb aec aee aei ael aeo aep aer aes aet ai- aia aib aic aie aii ail aio aip air ais ait al- ala alb alc ale ali all alo alp alr als alt aoa aob aoc aoe aoi aol aoo aop aor aos aot ap- apa apb apc ape api apl apo app apr aps apt ar- ara arb arc are ari arl aro arp arr ars art as- asa asb asc ase asi asl aso asp asr ass ast at- ata atb atc ate ati atl ato atp atr ats att b-p baa bab bac bae bai bal bao bap bar bas bat bba bbb bbc bbe bbi bbl bbo bbp bbr bbs bbt bca bcb bcc bce bci bcl bco bcp bcr bcs bct be- bea beb bec bee bei bel beo bep ber bes bet bi- bia bib bic bie bii bil bio bip bir bis bit bla blb blc ble bli bll blo blp blr bls blt boa bob boc boe boi bol boo bop bor bos bot bpa bpb bpc bpe bpi bpl bpo bpp bpr bps bpt bra brb bre bri brl bro brp brr brs brt bsa bsb bsc bse bsi bsl bso bsp bsr bss bst bta btb btc bte bti btl bto btp btr bts btt c-- caa cab cac cae cai cal cao cap car cas cat cba cbb cbc cbe cbi cbl cbo cbp cbr cbs cbt cca ccb ccc cce cci ccl cco ccp ccr ccs cct ce- cea ceb cec cee cei cel ceo cep cer ces cet ci- cia cib cic cie cii cil cio cip cir cis cit cl- cla clb clc cle cli cll clo clp clr cls clt co- coa cob coc coe coi col coo cop cor cos cot cpa cpb cpc cpe cpi cpl cpo cpp cpr cps cpt cra crb crc cre cri crl cro crp crr crs crt csa csb csc cse csi csl cso csp csr css cst cta ctb ctc cte cti ctl cto ctp ctr cts ctt eaa eab eac eae eai eal eao eap ear eas eat eba ebb ebc ebe ebi ebl ebo ebp ebr ebs ebt ec- eca ecb ecc ece eci ecl eco ecr ecs ect eea eeb eec eee eel eeo eep eer ees eet eia eib eic eie eii eil eio eip eir eis eit ela elb elc ele eli ell elo elp elr els elt eo- eoa eob eoc eoe eoi eol eoo eop eor eos eot ep- epa epb epc epe epi epl epo epp epr eps ept era erb erc ere eri erl ero erp err ers ert es- esa esb esc ese esi esl eso esp esr ess est eta etb etc ete eti etl eto etp etr ets ett ia- iaa iab iac iae iai ial iao iap iar ias iat iba ibb ibc ibe ibi ibl ibo ibp ibr ibs ibt ica icb icc ice ici icl ico icp icr ics ict ie- iea iec iee iei iel iep ier ies iet iia iib iic iie iii iil iio iip iir iis iit il- ila ilb ilc ile ili ill ilo ilp ilr ils ilt io- ioa iob ioc ioe ioi iol ioo iop ior ios iot ipa ipb ipc ipe ipi ipl ipo ipp ipr ips ipt ir- ira irb irc ire iri irl iro irp irr irs irt is- isa isb isc ise isi isl iso isp isr iss ist ita itb itc ite iti itl ito itp its itt l-p la- laa lab lac lae lai lal lao lap lar las lat lba lbb lbc lbe lbi lbl lbo lbp lbr lbs lbt lca lcb lcc lce lci lcl lco lcp lcr lcs lct lea leb lec lee lei lel leo lep ler les let lia lib lic lie lii lil lio lip lir lis lit lla llb llc lle lli lll llo llp llr lls llt loa lob loc loe loi lol loo lop lor los lot lpa lpb lpc lpe lpi lpl lpo lpp lpr lps lpt lra lrb lrc lri lro lrp lrr lrs lrt lsa lsb lsc lse lsi lsl lso lsp lsr lss lst lta ltb ltc lte lti ltl lto ltp ltr lts ltt o-i oaa oab oac oae oai oal oao oap oar oas oat ob- oba obb obc obe obi obl obo obp obr obs obt oc- oca ocb occ oci ocl oco ocp ocr ocs oct oea oeb oec oee oei oel oeo oep oer oes oet oia oib oic oie oii oil oio oip oir ois oit ola olb olc ole oli oll olo olp ols olt oo- ooa oob ooc ooi ool ooo oop oor oos oot op- opa opb opc ope opi opl opo opp opr ops opt or- ora orb orc ore ori orl oro orp orr ors ort os- osa osb osc ose osi osl oso osp osr oss ost ot- ota otb otc ote oti otl oto otp otr ots ott p-p paa pab pac pae pai pal pao pap par pas pat pba pbb pbc pbe pbi pbl pbo pbp pbr pbs pbt pca pcb pcc pce pci pcl pco pcp pcr pcs pct pea peb pec pee pei pel peo pep per pes pet pia pib pic pie pii pil pio pip pir pis pit pla plb plc ple pli pll plo plp plr pls plt poa pob poc poe poi pol poo pop por pos pot ppa ppb ppc ppe ppi ppl ppo ppp ppr pps ppt pra prb prc pre pri prl pro prp prr prs prt ps- psa psb psc pse psi psl pso psp psr pss pst pt- pta ptb ptc pte pti ptl