-al -ic a-a a-b a-c a-i aaa aab aac aad aai aal aar aas ab- aba abb abc abd abi abl abr abs ac- aca acb acc acd aci acl acr acs ad- ada adb adc add adi adl adr ads ai- aia aib aic aid aii ail air ais al- ala alb alc ald ali all alr als ar- ara arb arc ard ari arl arr ars as- asa asb asc asd asi asl asr ass baa bab bac bad bai bal bar bas bba bbb bbc bbd bbi bbl bbr bbs bca bcb bcc bcd bci bcl bcr bcs bda bdb bdc bdd bdi bdl bdr bds bi- bia bib bic bid bii bil bir bis bla blb blc bld bli bll blr bls bra brb brd bri brl brr brs bsa bsb bsc bsd bsi bsl bsr bss c-- caa cab cac cad cai cal car cas cba cbb cbc cbd cbi cbl cbr cbs cca ccb ccc ccd cci ccl ccr ccs cda cdb cdc cdd cdi cdl cdr cds ci- cia cib cic cid cii cil cir cis cl- cla clb clc cld cli cll clr cls cra crb crc crd cri crl crr crs csa csb csc csd csi csl csr css daa dab dac dad dai dal dar das dba dbb dbc dbd dbi dbl dbr dbs dca dcb dcc dcd dci dcl dcr dcs dda ddb ddc ddd ddi ddl ddr dds di- dia dib dic did dii dil dir dis dl- dla dlb dlc dld dli dll dlr dls dra drb drc drd dri drl drr drs dsa dsb dsc dsd dsi dsl dsr dss i-d ia- iaa iab iac iad iai ial iar ias iba ibb ibc ibd ibi ibl ibr ibs ica icb icc icd ici icl icr ics ida idb idc idd idi idl idr ids iia iib iic iid iii iil iir iis il- ila ilb ilc ild ili ill ilr ils ir- ira irb irc ird iri irl irr irs is- isa isb isc isd isi isl isr iss la- laa lab lac lad lai lal lar las lba lbb lbc lbd lbi lbl lbr lbs lca lcb lcc lcd lci lcl lcr lcs lda ldb ldc ldd ldi ldl ldr lds lia lib lic lid lii lil lir lis lla llb llc lld lli lll llr lls lra lrb lrc lrd lri lrr lrs lsa lsb lsc lsd lsi lsl lsr lss ra- raa rab rac rad rai ral rar ras rba rbb rbc rbd rbi rbl rbr rbs rca rcb rcc rcd rci rcl rcr rcs rda rdb rdc rdd rdi rdl rdr rds ria rib ric rid rii ril rir ris rla rlc rld rli rll rlr rls rra rrb rrc rrd rri rrl rrr rrs rsa rsb rsc rsd rsi rsl rsr rss saa sab sac sad sai sal sar sas sba sbb sbc sbd sbi sbl sbr sbs sca scb scc scd sci scl scr scs sda sdb sdc sdd sdi sdl sdr sds sia sib sic sid sii sil sir sis sla slb slc sld sli sll slr sls sr- sra srb src srd sri srl srr srs ss- ssa ssb ssc ssd ssi ssl ssr sss