-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aag aai aal aar ab- aba abb abc abd abe abg abi abl abr ac- aca acb acc acd ace acg aci acl acr ad- ada adb adc add ade adg adi adl adr aea aeb aec aed aee aeg aei ael aer ag- aga agb agc agd age agg agi agl agr ai- aia aib aic aid aie aig aii ail air al- ala alb alc ald ale alg ali all alr ar- ara arb arc ard are arg ari arl arr baa bab bac bad bae bag bai bal bar bba bbb bbc bbd bbe bbg bbi bbl bbr bca bcb bcc bcd bce bcg bci bcl bcr bda bdb bdc bdd bde bdg bdi bdl bdr be- bea beb bec bed bee beg bei bel ber bga bgb bgc bgd bge bgg bgi bgl bgr bi- bia bib bic bid bie big bii bil bir bla blb blc bld ble blg bli bll blr bra brb brd bre brg bri brl brr c-- caa cab cac cad cae cag cai cal car cba cbb cbc cbd cbe cbg cbi cbl cbr cca ccb ccc ccd cce ccg cci ccl ccr cda cdb cdc cdd cde cdg cdi cdl cdr ce- cea ceb cec ced cee ceg cei cel cer cga cgb cgc cgd cge cgg cgi cgl cgr ci- cia cib cic cid cie cig cii cil cir cl- cla clb clc cld cle clg cli cll clr cra crb crc crd cre crg cri crl crr daa dab dac dad dae dag dai dal dar dba dbb dbc dbd dbe dbg dbi dbl dbr dca dcb dcc dcd dce dcg dci dcl dcr dda ddb ddc ddd dde ddg ddi ddl ddr de- dea deb dec ded dee deg dei del der dga dgc dgd dge dgg dgi dgl dgr di- dia dib dic did die dig dii dil dir dl- dla dlb dlc dld dle dlg dli dll dlr dra drb drc drd dre drg dri drl drr eaa eab eac ead eae eag eai eal ear eba ebb ebc ebd ebe ebg ebi ebl ebr ec- eca ecb ecc ecd ece ecg eci ecl ecr ed- eda edb edc edd ede edg edi edl edr eea eeb eec eed eee eeg eel eer ega egb egc egd ege egg egi egl egr eia eib eic eid eie eig eii eil eir ela elb elc eld ele elg eli ell elr era erb erc erd ere erg eri erl err g-d gaa gab gac gad gae gag gai gal gar gba gbc gbd gbe gbg gbi gbl gbr gca gcb gcc gcd gce gcg gci gcl gcr gda gdb gdc gdd gde gdi gdl gdr ge- gea geb gec ged gee geg gei gel ger gga ggb ggc ggd ggg ggi ggr gia gib gic gid gie gig gii gil gir gla glb glc gld gle glg gli gll glr gra grb grc grd gre grg gri grl grr i-d ia- iaa iab iac iad iae iag iai ial iar iba ibb ibc ibd ibe ibg ibi ibl ibr ica icb icc icd ice icg ici icl icr ida idb idc idd ide idg idi idl idr ie- iea iec ied iee ieg iei iel ier iga igb igc igd ige igg igi igl igr iia iib iic iid iie iii iil iir il- ila ilb ilc ild ile ilg ili ill ilr ir- ira irb irc ird ire irg iri irl irr la- laa lab lac lad lae lag lai lal lar lba lbb lbc lbd lbe lbg lbi lbl lbr lca lcb lcc lcd lce lcg lci lcl lcr lda ldb ldc ldd lde ldg ldi ldl ldr lea leb lec led lee leg lei lel ler lga lgb lgc lgd lge lgg lgi lgl lgr lia lib lic lid lie lig lii lil lir lla llb llc lld lle llg lli lll llr lra lrb lrc lrd lrg lri lrr ra- raa rab rac rad rae rag rai ral rar rba rbb rbc rbd rbe rbg rbi 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 rel rer rga rgb rgc rgd rge rgg rgi rgr ria rib ric rid rie rig rii ril rir rla rlc rld rle rlg rli rll rlr rra rrb rrc rrd rrg rri rrl rrr

a-be a-ii aaaa aaab aaac aaad aaae aaai aaal aaar aaba aabb aabc aabd aabi aabl aaca aacb aacc aacd aace aaci aacl aacr aada aadc aade aadi aaea aaec aage aaib aaic aaii aala aalc aald aale aali aall aara aarc aard aare aari abaa abab abac abad abae abag abai abal abar abb- abba abbb abbe abbi abbr abca abcb abcc abcd abci abcl abcr abda abdi abec abed abee abel aber abgd abgl abia abib abic abid abie abig abil abir abla able abra abrc abri acaa acab acac acad acae acag acai acar acba acbl acca accc accd acce acci acda acdb acdc acde acdi ace- acea acec aced acel acer acga acgi acgr aci- acia acic acid acie acir acla aclc acle acli aclr acr- acra acrc acre acri acrr adaa adab adac adad adae adag adai adal adar adba adbc adbi adcc adci adda addc addd adde addi addl addr adea adeb adee adel ader adia adib adic adie adig adir adle adli adra adre aeac aebi aecb aeci aecl aede aeer aega aela aelc aer- aera aerc aerd aeri agac agad agag agai agal agar agba agca agcc agce agda agde agea aged agee agei agel ager agga agge aggi agia agib agic agid agie agig agii agil agir agla aglc agle agli agra agre agri agrl aiai aiba aibl aica aicc aicd aice aicr aida aidb aidc aide aidi aidr aiea aiee aiel aiga aiia aiib aiic aiid aiir aila aild aile