-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aae aai aal aao aap aas aat ab- aba abb abc abe abi abl abo abp abs abt ac- aca acb acc ace aci acl aco acp acs act aea aeb aec aee aei ael aeo aep aes aet ai- aia aib aic aie aii ail aio aip ais ait al- ala alb alc ale ali all alo alp als alt aoa aob aoc aoe aoi aol aoo aop aos aot ap- apa apb apc ape api apl apo app aps apt as- asa asb asc ase asi asl aso asp ass ast at- ata atb atc ate ati atl ato atp ats att b-p baa bab bac bae bai bal bao bap bas bat bba bbb bbc bbe bbi bbl bbo bbp bbs bbt bca bcb bcc bce bci bcl bco bcp bcs bct be- bea beb bec bee bei bel beo bep bes bet bi- bia bib bic bie bii bil bio bip bis bit bla blb blc ble bli bll blo blp bls blt boa bob boc boe boi bol boo bop bos bot bpa bpb bpc bpe bpi bpl bpo bpp bps bpt bsa bsb bsc bse bsi bsl bso bsp bss bst bta btb btc bte bti btl bto btp bts btt c-- caa cab cac cae cai cal cao cap cas cat cba cbb cbc cbe cbi cbl cbo cbp cbs cbt cca ccb ccc cce cci ccl cco ccp ccs cct ce- cea ceb cec cee cei cel ceo cep ces cet ci- cia cib cic cie cii cil cio cip cis cit cl- cla clb clc cle cli cll clo clp cls clt co- coa cob coc coe coi col coo cop cos cot cpa cpb cpc cpe cpi cpl cpo cpp cps cpt csa csb csc cse csi csl cso csp css cst cta ctb ctc cte cti ctl cto ctp cts ctt eaa eab eac eae eai eal eao eap eas eat eba ebb ebc ebe ebi ebl ebo ebp ebs ebt ec- eca ecb ecc ece eci ecl eco ecs ect eea eeb eec eee eel eeo eep ees eet eia eib eic eie eii eil eio eip eis eit ela elb elc ele eli ell elo elp els elt eo- eoa eob eoc eoe eoi eol eoo eop eos eot ep- epa epb epc epe epi epl epo epp eps ept es- esa esb esc ese esi esl eso esp ess est eta etb etc ete eti etl eto etp ets ett ia- iaa iab iac iae iai ial iao iap ias iat iba ibb ibc ibe ibi ibl ibo ibp ibs ibt ica icb icc ice ici icl ico icp ics ict ie- iea iec iee iei iel iep ies iet iia iib iic iie iii iil iio iip iis iit il- ila ilb ilc ile ili ill ilo ilp ils ilt io- ioa iob ioc ioe ioi iol ioo iop ios iot ipa ipb ipc ipe ipi ipl ipo ipp ips ipt is- isa isb isc ise isi isl iso isp iss ist ita itb itc ite iti itl ito itp its itt l-p la- laa lab lac lae lai lal lao lap las lat lba lbb lbc lbe lbi lbl lbo lbp lbs lbt lca lcb lcc lce lci lcl lco lcp lcs lct lea leb lec lee lei lel leo lep les let lia lib lic lie lii lil lio lip lis lit lla llb llc lle lli lll llo llp lls llt loa lob loc loe loi lol loo lop los lot lpa lpb lpc lpe lpi lpl lpo lpp lps lpt lsa lsb lsc lse lsi lsl lso lsp lss lst lta ltb ltc lte lti ltl lto ltp lts ltt o-i oaa oab oac oae oai oal oao oap oas oat ob- oba obb obc obe obi obl obo obp obs obt oc- oca ocb occ oci ocl oco ocp ocs oct oea oeb oec oee oei oel oeo oep oes oet oia oib oic oie oii oil oio oip ois oit ola olb olc ole oli oll olo olp ols olt oo- ooa oob ooc ooi ool ooo oop oos oot op- opa opb opc ope opi opl opo opp ops opt os- osa osb osc ose osi osl oso osp oss ost ot- ota otb otc ote oti otl oto otp ots ott p-p paa pab pac pae pai pal pao pap pas pat pba pbb pbc pbe pbi pbl pbo pbp pbs pbt pca pcb pcc pce pci pcl pco pcp pcs pct pea peb pec pee pei pel peo pep pes pet pia pib pic pie pii pil pio pip pis pit pla plb plc ple pli pll plo plp pls plt poa pob poc poe poi pol poo pop pos pot ppa ppb ppc ppe ppi ppl ppo ppp pps ppt ps- psa psb psc pse psi psl pso psp pss pst pt- pta ptb ptc pte pti ptl pto ptp pts ptt saa sab sac sae sai sal sao sap sas sat sba sbb sbc sbe sbi sbl sbo sbp sbs sbt sca scb scc sce sci scl sco scp scs sct se- sea seb sec see sei sel seo sep ses set sia sib sic sie sii sil sio sip sis sit sla slb slc sle sli sll slo slp sls slt soa sob soc soe soi sol soo sop sos sot spa spb spc spe spi spl spo spp sps spt ss- ssa ssb ssc sse ssi ssl sso ssp sss sst sta stb stc ste sti stl sto stp sts stt taa tab tac tae tai tal tao tap tas tat tba tbb tbc tbe tbi tbl tbo tbp tbs tbt tca tcb tcc tce tci tcl tco tcp tcs tct te- tea teb tec tee tei tel teo tep tes tet tia tib tic tie tii til tio tip tis tit tla tlc tle tli tll tlo tlp tls tlt