-al -ic a-a a-b a-c a-i a-t aaa aab aac aai aal aap aas aat ab- aba abb abc abi abl abp abs abt ac- aca acb acc aci acl acp acs act ai- aia aib aic aii ail aip ais ait al- ala alb alc ali all alp als alt ap- apa apb apc api apl app aps apt as- asa asb asc asi asl asp ass ast at- ata atb atc ati atl atp ats att b-p baa bab bac bai bal bap bas bat bba bbb bbc bbi bbl bbp bbs bbt bca bcb bcc bci bcl bcp bcs bct bi- bia bib bic bii bil bip bis bit bla blb blc bli bll blp bls blt bpa bpb bpc bpi bpl bpp bps bpt bsa bsb bsc bsi bsl bsp bss bst bta btb btc bti btl btp bts btt c-- caa cab cac cai cal cap cas cat cba cbb cbc cbi cbl cbp cbs cbt cca ccb ccc cci ccl ccp ccs cct ci- cia cib cic cii cil cip cis cit cl- cla clb clc cli cll clp cls clt cpa cpb cpc cpi cpl cpp cps cpt csa csb csc csi csl csp css cst cta ctb ctc cti ctl ctp cts ctt ia- iaa iab iac iai ial iap ias iat iba ibb ibc ibi ibl ibp ibs ibt ica icb icc ici icl icp ics ict iia iib iic iii iil iip iis iit il- ila ilb ilc ili ill ilp ils ilt ipa ipb ipc ipi ipl ipp ips ipt is- isa isb isc isi isl isp iss ist ita itb itc iti itl itp its itt l-p la- laa lab lac lai lal lap las lat lba lbb lbc lbi lbl lbp lbs lbt lca lcb lcc lci lcl lcp lcs lct lia lib lic lii lil lip lis lit lla llb llc lli lll llp lls llt lpa lpb lpc lpi lpl lpp lps lpt lsa lsb lsc lsi lsl lsp lss lst lta ltb ltc lti ltl ltp lts ltt p-p paa pab pac pai pal pap pas pat pba pbb pbc pbi pbl pbp pbs pbt pca pcb pcc pci pcl pcp pcs pct pia pib pic pii pil pip pis pit pla plb plc pli pll plp pls plt ppa ppb ppc ppi ppl ppp pps ppt ps- psa psb psc psi psl psp pss pst pt- pta ptb ptc pti ptl ptp pts ptt saa sab sac sai sal sap sas sat sba sbb sbc sbi sbl sbp sbs sbt sca scb scc sci scl scp scs sct sia sib sic sii sil sip sis sit sla slb slc sli sll slp sls slt spa spb spc spi spl spp sps spt ss- ssa ssb ssc ssi ssl ssp sss sst sta stb stc sti stl stp sts stt taa tab tac tai tal tap tas tat tba tbb tbc tbi tbl tbp tbs tbt tca tcb tcc tci tcl tcp tcs tct tia tib tic tii til tip tis tit tla tlc tli tll tlp tls tlt tpa tpb tpc tpi tpl tpp tps tpt tsa tsb tsc tsi tsl tsp tss tst tta ttb ttc tti ttl ttp tts ttt