-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aaf aai aal aar ab- aba abb abc abd abe abf abi abl abr ac- aca acb acc acd ace acf aci acl acr ad- ada adb adc add ade adf adi adl adr aea aeb aec aed aee aef aei ael aer af- afa afb afc afd afe aff afi afl afr ai- aia aib aic aid aie aif aii ail air al- ala alb alc ald ale alf ali all alr ar- ara arb arc ard are arf ari arl arr baa bab bac bad bae baf bai bal bar bba bbb bbc bbd bbe bbf bbi bbl bbr bca bcb bcc bcd bce bcf bci bcl bcr bda bdb bdc bdd bde bdf bdi bdl bdr be- bea beb bec bed bee bef bei bel ber bfa bfb bfc bfd bfe bff bfi bfl bfr bi- bia bib bic bid bie bif bii bil bir bla blb blc bld ble blf bli bll blr bra brb brd bre brf bri brl brr c-- caa cab cac cad cae caf cai cal car cba cbb cbc cbd cbe cbf cbi cbl cbr cca ccb ccc ccd cce ccf cci ccl ccr cda cdb cdc cdd cde cdf cdi cdl cdr ce- cea ceb cec ced cee cef cei cel cer cfa cfb cfc cfd cfe cff cfi cfl cfr ci- cia cib cic cid cie cif cii cil cir cl- cla clb clc cld cle clf cli cll clr cra crb crc crd cre crf cri crl crr daa dab dac dad dae daf dai dal dar dba dbb dbc dbd dbe dbf dbi dbl dbr dca dcb dcc dcd dce dcf dci dcl dcr dda ddb ddc ddd dde ddf ddi ddl ddr de- dea deb dec ded dee def dei del der dfa dfb dfc dfd dfe dff dfi dfl dfr di- dia dib dic did die dif dii dil dir dl- dla dlb dlc dld dle dlf dli dll dlr dra drb drc drd dre dri drl drr eaa eab eac ead eae eaf eai eal ear eba ebb ebc ebd ebe ebf ebi ebl ebr ec- eca ecb ecc ecd ece ecf eci ecl ecr ed- eda edb edc edd ede edf edi edl edr eea eeb eec eed eee eef eel eer ef- efa efb efc efd efe eff efi efl efr eia eib eic eid eie eif eii eil eir ela elb elc eld ele elf eli ell elr era erb erc erd ere erf eri erl err faa fab fac fad fae faf fai fal far fba fbb fbc fbd fbe fbf fbi fbl fbr fca fcb fcc fcd fce fcf fci fcl fcr fda fdb fdc fdd fde fdf fdi fdl fdr fea feb fec fed fee fef fei fel fer ffa ffc ffd ffe fff ffi ffl ffr fia fib fic fid fie fif fii fil fir fla flb flc fld fle flf fli fll flr fra frb frc frd fre frf fri frl frr i-d i-f ia- iaa iab iac iad iae iaf iai ial iar iba ibb ibc ibd ibe ibf ibi ibl ibr ica icb icc icd ice icf ici icl icr ida idb idc idd ide idf idi idl idr ie- iea iec ied iee ief iei iel ier ifa ifb ifc ifd ife iff ifi ifl ifr iia iib iic iid iie iif iii iil iir il- ila ilb ilc ild ile ilf ili ill ilr ir- ira irb irc ird ire irf iri irl irr la- laa lab lac lad lae laf lai lal lar lba lbb lbc lbd lbe lbf lbi lbl lbr lca lcb lcc lcd lce lcf lci lcl lcr lda ldb ldc ldd lde ldf ldi ldl ldr lea leb lec led lee lef lei lel ler lfa lfb lfc lfd lfe lff lfi lfl lfr lia lib lic lid lie lif lii lil lir lla llb llc lld lle llf lli lll llr lra lrb lrc lrd lrf lri lrr ra- raa rab rac rad rae raf rai ral rar rba rbb rbc rbd rbe rbf rbi rbl rbr rca rcb rcc rcd rce rcf rci rcl rcr rda rdb rdc rdd rde rdf rdi rdl rdr re- rea reb rec red ree ref rei rel rer rfa rfb rfc rfd rfe rff rfi rfl rfr ria rib ric rid rie rif rii ril rir rla rlc rld rle rlf rli rll rlr rra rrb rrc rrd rrf rri rrl rrr

a-be a-ii aaaa aaab aaac aaad aaae aaaf aaai aaal aaar aaba aabb aabc aabd aabi aabl aaca aacb aacc aacd aace aacf aaci aacl aacr aada aadc aade aadi aaea aaec aafa aafb aafc aafd aaff aafi aafl aaib aaic aaii aala aalc aald aale aali aall aara aarc aard aare aari abaa abab abac abad abae abaf abai abal abar abb- abba abbb abbe abbi abbr abca abcb abcc abcd abcf abci abcl abcr abda abdi abec abed abee abel aber abff abia abib abic abid abie abil abir abla able abra abrc abri acaa acab acac acad acae acai acar acba acbl acca accc accd acce accf acci acda acdb acdc acde acdf acdi ace- acea acec aced acel acer acfc acfd acfe acfi acfl aci- acia acic acid acie acif acir acla aclc acle acli aclr acr- acra acrc acre acri acrr adaa adab adac adad adae adai adal adar adba adbc adbi adcc adci adda addc addd adde addi addl addr adea adeb adee adel ader adfa adfc adfl adia adib adic adie adif adir adle adli adra adre aeac aeaf aebi aecb aeci aecl aede aeer aela aelc aer- aera aerc aerd aeri afaa afad afar afca afcb afcc afci afdb afdc afdl afee afel afer affa affc affi afia afib afid afif afil afir afla aflc afle afr- afra afrc afre afri aiai aiba aibl aica aicc aicd aice aicf aicr aida aidb aidc aide aidi aidr aiea