-al -er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aal aar aat ab- aba abb abc abd abe abi abl abr abt ac- aca acb acc acd ace aci acl acr act ad- ada adb adc add ade adi adl adr adt aea aeb aec aed aee aei ael aer aet ai- aia aib aic aid aie aii ail air ait al- ala alb alc ald ale ali all alr alt ar- ara arb arc ard are ari arl arr art at- ata atb atc atd ate ati atl atr att baa bab bac bad bae bai bal bar bat bba bbb bbc bbd bbe bbi bbl bbr bbt bca bcb bcc bcd bce bci bcl bcr bct bda bdb bdc bdd bde bdi bdl bdr bdt be- bea beb bec bed bee bei bel ber bet bi- bia bib bic bid bie bii bil bir bit bla blb blc bld ble bli bll blr blt bra brb brd bre bri brl brr brt bta btb btc btd bte bti btl btr btt c-- caa cab cac cad cae cai cal car cat cba cbb cbc cbd cbe cbi cbl cbr cbt cca ccb ccc ccd cce cci ccl ccr cct cda cdb cdc cdd cde cdi cdl cdr cdt ce- cea ceb cec ced cee cei cel cer cet ci- cia cib cic cid cie cii cil cir cit cl- cla clb clc cld cle cli cll clr clt cra crb crc crd cre cri crl crr crt cta ctb ctc ctd cte cti ctl ctr ctt daa dab dac dad dae dai dal dar dat dba dbb dbc dbd dbe dbi dbl dbr dbt dca dcb dcc dcd dce dci dcl dcr dct dda ddb ddc ddd dde ddi ddl ddr ddt de- dea deb dec ded dee dei del der det di- dia dib dic did die dii dil dir dit dl- dla dlb dlc dld dle dli dll dlr dlt dra drb drc drd dre dri drl drr drt dta dtb dtc dtd dte dti dtl dtr dtt eaa eab eac ead eae eai eal ear eat eba ebb ebc ebd ebe ebi ebl ebr ebt ec- eca ecb ecc ecd ece eci ecl ecr ect ed- eda edb edc edd ede edi edl edr edt eea eeb eec eed eee eel eer eet eia eib eic eid eie eii eil eir eit ela elb elc eld ele eli ell elr elt era erb erc erd ere eri erl err ert eta etb etc etd ete eti etl etr ett i-d ia- iaa iab iac iad iae iai ial iar iat iba ibb ibc ibd ibe ibi ibl ibr ibt ica icb icc icd ice ici icl icr ict ida idb idc idd ide idi idl idr idt ie- iea iec ied iee iei iel ier iet iia iib iic iid iie iii iil iir iit il- ila ilb ilc ild ile ili ill ilr ilt ir- ira irb irc ird ire iri irl irr irt ita itb itc itd ite iti itl itt la- laa lab lac lad lae lai lal lar lat lba lbb lbc lbd lbe lbi lbl lbr lbt lca lcb lcc lcd lce lci lcl lcr lct lda ldb ldc ldd lde ldi ldl ldr ldt lea leb lec led lee lei lel ler let lia lib lic lid lie lii lil lir lit lla llb llc lld lle lli lll llr llt lra lrb lrc lrd lri lrr lrt lta ltb ltc ltd lte lti ltl ltr ltt ra- raa rab rac rad rae rai ral rar rat rba rbb rbc rbd rbe rbi rbl rbr rbt rca rcb rcc rcd rce rci rcl rcr rct rda rdb rdc rdd rde rdi rdl rdr rdt re- rea reb rec red ree rei rel rer ret ria rib ric rid rie rii ril rir rit rla rlc rld rle rli rll rlr rlt rra rrb rrc rrd rri rrl rrr rrt rta rtb rtc rtd rte rti rtl rtr rtt taa tab tac tad tae tai tal tar tat tba tbb tbc tbd tbe tbi tbl tbr tbt tca tcb tcc tcd tce tci tcl tcr tct tda tdb tdc tdd tde tdi tdl tdr tdt te- tea teb tec ted tee tei tel ter tet tia tib tic tid tie tii til tir tit tla tlc tld tle tli tll tlr tlt tra trb trc trd tre tri trl trr trt tta ttb ttc ttd tte tti ttl ttr ttt