-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aae aai aal aao aas aat ab- aba abb abc abe abi abl abo abs abt ac- aca acb acc ace aci acl aco acs act aea aeb aec aee aei ael aeo aes aet ai- aia aib aic aie aii ail aio ais ait al- ala alb alc ale ali all alo als alt aoa aob aoc aoe aoi aol aoo aos aot as- asa asb asc ase asi asl aso ass ast at- ata atb atc ate ati atl ato ats att baa bab bac bae bai bal bao bas bat bba bbb bbc bbe bbi bbl bbo bbs bbt bca bcb bcc bce bci bcl bco bcs bct be- bea beb bec bee bei bel beo bes bet bi- bia bib bic bie bii bil bio bis bit bla blb blc ble bli bll blo bls blt boa bob boc boe boi bol boo bos bot bsa bsb bsc bse bsi bsl bso bss bst bta btb btc bte bti btl bto bts btt c-- caa cab cac cae cai cal cao cas cat cba cbb cbc cbe cbi cbl cbo cbs cbt cca ccb ccc cce cci ccl cco ccs cct ce- cea ceb cec cee cei cel ceo ces cet ci- cia cib cic cie cii cil cio cis cit cl- cla clb clc cle cli cll clo cls clt co- coa cob coc coe coi col coo cos cot csa csb csc cse csi csl cso css cst cta ctb ctc cte cti ctl cto cts ctt eaa eab eac eae eai eal eao eas eat eba ebb ebc ebe ebi ebl ebo ebs ebt ec- eca ecb ecc ece eci ecl eco ecs ect eea eeb eec eee eel eeo ees eet eia eib eic eie eii eil eio eis eit ela elb elc ele eli ell elo els elt eo- eoa eob eoc eoe eoi eol eoo eos eot es- esa esb esc ese esi esl eso ess est eta etb etc ete eti etl eto ets ett ia- iaa iab iac iae iai ial iao ias iat iba ibb ibc ibe ibi ibl ibo ibs ibt ica icb icc ice ici icl ico ics ict ie- iea iec iee iei iel ies iet iia iib iic iie iii iil iio iis iit il- ila ilb ilc ile ili ill ilo ils ilt io- ioa iob ioc ioe ioi iol ioo ios iot is- isa isb isc ise isi isl iso iss ist ita itb itc ite iti itl ito its itt la- laa lab lac lae lai lal lao las lat lba lbb lbc lbe lbi lbl lbo lbs lbt lca lcb lcc lce lci lcl lco lcs lct lea leb lec lee lei lel leo les let lia lib lic lie lii lil lio lis lit lla llb llc lle lli lll llo lls llt loa lob loc loe loi lol loo los lot lsa lsb lsc lse lsi lsl lso lss lst lta ltb ltc lte lti ltl lto lts ltt o-i oaa oab oac oae oai oal oao oas oat ob- oba obb obc obe obi obl obo obs obt oc- oca ocb occ oci ocl oco ocs oct oea oeb oec oee oei oel oeo oes oet oia oib oic oie oii oil oio ois oit ola olb olc ole oli oll olo ols olt oo- ooa oob ooc ooi ool ooo oos oot os- osa osb osc ose osi osl oso oss ost ot- ota otb otc ote oti otl oto ots ott saa sab sac sae sai sal sao sas sat sba sbb sbc sbe sbi sbl sbo sbs sbt sca scb scc sce sci scl sco scs sct se- sea seb sec see sei sel seo ses set sia sib sic sie sii sil sio sis sit sla slb slc sle sli sll slo sls slt soa sob soc soe soi sol soo sos sot ss- ssa ssb ssc sse ssi ssl sso sss sst sta stb stc ste sti stl sto sts stt taa tab tac tae tai tal tao tas tat tba tbb tbc tbe tbi tbl tbo tbs tbt tca tcb tcc tce tci tcl tco tcs tct te- tea teb tec tee tei tel teo tes tet tia tib tic tie tii til tio tis tit tla tlc tle tli tll tlo tls tlt to- toa tob toc toe toi tol too tos tot tsa tsb tsc tse tsi tsl tso tss tst tta ttb ttc tte tti ttl tto tts ttt