-al -er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aag aai aal aar aat ab- aba abb abc abd abe abg abi abl abr abt ac- aca acb acc acd ace acg aci acl acr act ad- ada adb adc add ade adg adi adl adr adt aea aeb aec aed aee aeg aei ael aer aet ag- aga agb agc agd age agg agi agl agr agt ai- aia aib aic aid aie aig aii ail air ait al- ala alb alc ald ale alg ali all alr alt ar- ara arb arc ard are arg ari arl arr art at- ata atb atc atd ate atg ati atl atr att baa bab bac bad bae bag bai bal bar bat bba bbb bbc bbd bbe bbg bbi bbl bbr bbt bca bcb bcc bcd bce bcg bci bcl bcr bct bda bdb bdc bdd bde bdg bdi bdl bdr bdt be- bea beb bec bed bee beg bei bel ber bet bga bgb bgc bgd bge bgg bgi bgl bgr bgt bi- bia bib bic bid bie big bii bil bir bit bla blb blc bld ble blg bli bll blr blt bra brb brd bre brg bri brl brr brt bta btb btc btd bte btg bti btl btr btt c-- caa cab cac cad cae cag cai cal car cat cba cbb cbc cbd cbe cbg cbi cbl cbr cbt cca ccb ccc ccd cce ccg cci ccl ccr cct cda cdb cdc cdd cde cdg cdi cdl cdr cdt ce- cea ceb cec ced cee ceg cei cel cer cet cga cgb cgc cgd cge cgg cgi cgl cgr cgt ci- cia cib cic cid cie cig cii cil cir cit cl- cla clb clc cld cle clg cli cll clr clt cra crb crc crd cre crg cri crl crr crt cta ctb ctc ctd cte ctg cti ctl ctr ctt daa dab dac dad dae dag dai dal dar dat dba dbb dbc dbd dbe dbg dbi dbl dbr dbt dca dcb dcc dcd dce dcg dci dcl dcr dct dda ddb ddc ddd dde ddg ddi ddl ddr ddt de- dea deb dec ded dee deg dei del der det dga dgc dgd dge dgg dgi dgl dgr dgt di- dia dib dic did die dig dii dil dir dit dl- dla dlb dlc dld dle dlg dli dll dlr dlt dra drb drc drd dre drg dri drl drr drt dta dtb dtc dtd dte dtg dti dtl dtr dtt eaa eab eac ead eae eag eai eal ear eat eba ebb ebc ebd ebe ebg ebi ebl ebr ebt ec- eca ecb ecc ecd ece ecg eci ecl ecr ect ed- eda edb edc edd ede edg edi edl edr edt eea eeb eec eed eee eeg eel eer eet ega egb egc egd ege egg egi egl egr egt eia eib eic eid eie eig eii eil eir eit ela elb elc eld ele elg eli ell elr elt era erb erc erd ere erg eri erl err ert eta etb etc etd ete etg eti etl etr ett g-d gaa gab gac gad gae gag gai gal gar gat gba gbc gbd gbe gbg gbi gbl gbr gbt gca gcb gcc gcd gce gcg gci gcl gcr gct gda gdb gdc gdd gde gdi gdl gdr gdt ge- gea geb gec ged gee geg gei gel ger get gga ggb ggc ggd ggg ggi ggr ggt gia gib gic gid gie gig gii gil gir git gla glb glc gld gle glg gli gll glr glt gra grb grc grd gre grg gri grl grr grt gta gtb gtc gtd gte gtg gti gtl gtr gtt i-d ia- iaa iab iac iad iae iag iai ial iar iat iba ibb ibc ibd ibe ibg ibi ibl ibr ibt ica icb icc icd ice icg ici icl icr ict ida idb idc idd ide idg idi idl idr idt ie- iea iec ied iee ieg iei iel ier iet iga igb igc igd ige igg igi igl igr igt iia iib iic iid iie iii iil iir iit il- ila ilb ilc ild ile ilg ili ill ilr ilt ir- ira irb irc ird ire irg iri irl irr irt ita itb itc itd ite itg iti itl itt la- laa lab lac lad lae lag lai lal lar lat lba lbb lbc lbd lbe lbg lbi lbl lbr lbt lca lcb lcc lcd lce lcg lci lcl lcr lct lda ldb ldc ldd lde ldg ldi ldl ldr ldt lea leb lec led lee leg lei lel ler let lga lgb lgc lgd lge lgg lgi lgl lgr lgt lia lib lic lid lie lig lii lil lir lit lla llb llc lld lle llg lli lll llr llt lra lrb lrc lrd lrg lri lrr lrt lta ltb ltc ltd lte ltg lti ltl ltr ltt ra- raa rab rac rad rae rag rai ral rar rat rba rbb rbc rbd rbe rbg rbi rbl rbr rbt rca rcb rcc rcd rce rcg rci rcl rcr rct rda rdb rdc rdd rde rdg rdi rdl rdr rdt re- rea reb rec red ree reg rei rel rer ret rga rgb rgc rgd rge rgg rgi rgr rgt ria rib ric rid rie rig rii ril rir rit rla rlc rld rle rlg rli rll rlr rlt rra rrb rrc rrd rrg rri rrl rrr rrt rta rtb rtc rtd rte rtg rti rtl rtr rtt taa tab tac tad tae tag tai tal tar tat tba tbb tbc tbd tbe tbg tbi tbl tbr tbt tca tcb tcc tcd tce tcg tci tcl tcr tct tda tdb tdc tdd tde tdg tdi tdl tdr tdt te- tea teb tec ted tee teg tei tel ter tet tga tgb tgc tge tgg tgi tgl tgr tgt tia tib tic tid tie tig tii til tir tit tla tlc tld tle tlg tli tll tlr