-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aag aai aak aal aar ab- aba abb abc abd abe abg abi abk abl abr ac- aca acb acc acd ace acg aci ack acl acr ad- ada adb adc add ade adg adi adk adl adr aea aeb aec aed aee aeg aei aek ael aer ag- aga agb agc agd age agg agi agk agl agr ai- aia aib aic aid aie aig aii aik ail air aka akb akc akd ake akg aki akk akl akr al- ala alb alc ald ale alg ali alk all alr ar- ara arb arc ard are arg ari ark arl arr baa bab bac bad bae bag bai bak bal bar bba bbb bbc bbd bbe bbg bbi bbk bbl bbr bca bcb bcc bcd bce bcg bci bck bcl bcr bda bdb bdc bdd bde bdg bdi bdk bdl bdr be- bea beb bec bed bee beg bei bek bel ber bga bgb bgc bgd bge bgg bgi bgk bgl bgr bi- bia bib bic bid bie big bii bik bil bir bka bkb bkc bke bkg bkk bkl bkr bla blb blc bld ble blg bli blk bll blr bra brb brd bre brg bri brk brl brr c-- caa cab cac cad cae cag cai cak cal car cba cbb cbc cbd cbe cbg cbi cbk cbl cbr cca ccb ccc ccd cce ccg cci cck ccl ccr cda cdb cdc cdd cde cdg cdi cdk cdl cdr ce- cea ceb cec ced cee ceg cei cek cel cer cga cgb cgc cgd cge cgg cgi cgl cgr ci- cia cib cic cid cie cig cii cik cil cir cka ckb ckc ckd cki cl- cla clb clc cld cle clg cli clk cll clr cra crb crc crd cre crg cri crk crl crr daa dab dac dad dae dag dai dak dal dar dba dbb dbc dbd dbe dbg dbi dbk dbl dbr dca dcb dcc dcd dce dcg dci dck dcl dcr dda ddb ddc ddd dde ddg ddi ddk ddl ddr de- dea deb dec ded dee deg dei dek del der dga dgc dgd dge dgg dgi dgk dgl dgr di- dia dib dic did die dig dii dik dil dir dka dkb dkc dke dkg dki dkk dkl dkr dl- dla dlb dlc dld dle dlg dli dlk dll dlr dra drb drc drd dre drg dri drk drl drr eaa eab eac ead eae eag eai eak eal ear eba ebb ebc ebd ebe ebg ebi ebk ebl ebr ec- eca ecb ecc ecd ece ecg eci eck ecl ecr ed- eda edb edc edd ede edg edi edk edl edr eea eeb eec eed eee eeg eek eel eer ega egb egc egd ege egg egi egl egr eia eib eic eid eie eig eii eik eil eir eka ekb ekc ekd eke ekg eki ekl ekr ela elb elc eld ele elg eli elk ell elr era erb erc erd ere erg eri erk erl err g-d gaa gab gac gad gae gag gai gak gal gar gba gbc gbd gbe gbg gbi gbk gbl gbr gca gcb gcc gcd gce gcg gci gck gcl gcr gda gdb gdc gdd gde gdi gdk gdl gdr ge- gea geb gec ged gee geg gei gek gel ger gga ggb ggc ggd ggg ggi ggr gia gib gic gid gie gig gii gik gil gir gka gkb gkd gla glb glc gld gle glg gli glk gll glr gra grb grc grd gre grg gri grk grl grr i-d ia- iaa iab iac iad iae iag iai ial iar iba ibb ibc ibd ibe ibg ibi ibk ibl ibr ica icb icc icd ice icg ici ick icl icr ida idb idc idd ide idg idi idk idl idr ie- iea iec ied iee ieg iei iek iel ier iga igb igc igd ige igg igi igk igl igr iia iib iic iid iie iii iil iir ika ikb ikc ike iki ikk ikl ikr il- ila ilb ilc ild ile ilg ili ilk ill ilr ir- ira irb irc ird ire irg iri irk irl irr ka- kaa kab kac kad kae kag kai kak kal kar kba kbb kbc kbd kbe kbi kbk kbl kbr kca kcb kcc kcd kce kcg kci kck kcl kcr kda kdb kdc kde kdg kdk kdl kdr ke- kea keb kec ked kee keg kei kek kel ker kga kgb kgc kgd kgi kgl kia kib kic kid kie kig kii kik kil kir kkb kkc kke kki kkk kkl kkr kl- kla klb klc kld klg kli klr kra krc krd krg kri krk krl krr la- laa lab lac lad lae lag lai lak lal lar lba lbb lbc lbd lbe lbg lbi lbk lbl lbr lca lcb lcc lcd lce lcg lci lck lcl lcr lda ldb ldc ldd lde ldg ldi ldk ldl ldr lea leb lec led lee leg lei lek lel ler lga lgb lgc lgd lge lgg lgi lgk lgl lgr lia lib lic lid lie lig lii lik lil lir lka lkb lkg lkl lkr lla llb llc lld lle llg lli llk lll llr lra lrb lrc lrd lrg lri lrk lrr ra- raa rab rac rad rae rag rai rak ral rar rba rbb rbc rbd rbe rbg rbi rbk rbl rbr rca rcb rcc rcd rce rcg rci rcl rcr rda rdb rdc rdd rde rdg rdi rdl rdr re- rea reb rec red ree reg rei rek rel rer rga rgb rgc rgd rge rgg rgi rgk rgr ria rib ric rid rie rig rii rik ril rir rkb rkc rke rkg rkk rla rlc rld rle rlg rli rll rlr rra rrb rrc rrd rrg rri rrk rrl rrr

a-ak a-be a-ii aaaa aaab aaac aaad aaae aaai aaal aaar aaba aabb aabc aabd aabi aabl aaca aacb aacc aacd aace aaci aack aacl aacr aada