-al -er -ic a-a a-b a-c a-i aaa aab aac aad aae aah aai aak aal aar ab- aba abb abc abd abe abh abi abk abl abr ac- aca acb acc acd ace ach aci ack acl acr ad- ada adb adc add ade adh adi adk adl adr aea aeb aec aed aee aeh aei aek ael aer aha ahb ahc ahd ahe ahh ahi ahk ahl ahr ai- aia aib aic aid aie aih aii aik ail air aka akb akc akd ake akh aki akk akl akr al- ala alb alc ald ale alh ali alk all alr ar- ara arb arc ard are arh ari ark arl arr baa bab bac bad bae bah bai bak bal bar bba bbb bbc bbd bbe bbh bbi bbk bbl bbr bca bcb bcc bcd bce bch bci bck bcl bcr bda bdb bdc bdd bde bdh bdi bdk bdl bdr be- bea beb bec bed bee beh bei bek bel ber bha bhb bhc bhd bhe bhh bhi bhk bhl bhr bi- bia bib bic bid bie bih bii bik bil bir bka bkb bkc bke bkk bkl bkr bla blb blc bld ble blh bli blk bll blr bra brb brd bre brh bri brk brl brr c-- caa cab cac cad cae cah cai cak cal car cba cbb cbc cbd cbe cbh cbi cbk cbl cbr cca ccb ccc ccd cce cch cci cck ccl ccr cda cdb cdc cdd cde cdh cdi cdk cdl cdr ce- cea ceb cec ced cee ceh cei cek cel cer ch- cha chb chc chd che chh chi chk chl chr ci- cia cib cic cid cie cih cii cik cil cir cka ckb ckc ckd ckh cki cl- cla clb clc cld cle clh cli clk cll clr cra crb crc crd cre crh cri crk crl crr daa dab dac dad dae dah dai dak dal dar dba dbb dbc dbd dbe dbh dbi dbk dbl dbr dca dcb dcc dcd dce dci dck dcl dcr dda ddb ddc ddd dde ddh ddi ddk ddl ddr de- dea deb dec ded dee deh dei dek del der dh- dha dhb dhc dhd dhe dhh dhi dhk dhl dhr di- dia dib dic did die dih dii dik dil dir dka dkb dkc dke dki dkk dkl dkr dl- dla dlb dlc dld dle dlh dli dlk dll dlr dra drb drc drd dre dri drk drl drr eaa eab eac ead eae eah eai eak eal ear eba ebb ebc ebd ebe ebh ebi ebk ebl ebr ec- eca ecb ecc ecd ece ech eci eck ecl ecr ed- eda edb edc edd ede edh edi edk edl edr eea eeb eec eed eee eek eel eer eha ehb ehc ehd ehe ehh ehi ehl ehr eia eib eic eid eie eii eik eil eir eka ekb ekc ekd eke ekh eki ekl ekr ela elb elc eld ele elh eli elk ell elr era erb erc erd ere erh eri erk erl err h-i haa hab hac had hae hah hai hak hal har hba hbb hbc hbd hbe hbh hbi hbk hbl hbr hca hcb hcc hcd hce hch hci hck hcl hcr hda hdb hdc hdd hde hdh hdi hdk hdl hdr he- hea heb hec hed hee heh hei hek hel her hha hhb hhc hhd hhe hhh hhi hhk hhl hhr hia hib hic hid hie hih hii hik hil hir hka hkb hkd hkh hki hkk hkl hkr hla hlb hlc hld hle hlh hli hll hlr hr- hra hrb hrc hrd hre hrh hri hrk hrl hrr i-d ia- iaa iab iac iad iae iah iai ial iar iba ibb ibc ibd ibe ibh ibi ibk ibl ibr ica icb icc icd ice ich ici ick icl icr ida idb idc idd ide idh idi idk idl idr ie- iea iec ied iee iei iek iel ier iha ihb ihc ihd ihe ihh ihi ihk ihl ihr iia iib iic iid iie iih iii iil iir ika ikb ikc ike iki ikk ikl ikr il- ila ilb ilc ild ile ilh ili ilk ill ilr ir- ira irb irc ird ire iri irk irl irr ka- kaa kab kac kad kae kah kai kak kal kar kba kbb kbc kbd kbe kbh kbi kbk kbl kbr kca kcb kcc kcd kce kch kci kck kcl kcr kda kdb kdc kde kdh kdk kdl kdr ke- kea keb kec ked kee keh kei kek kel ker kha khe khh khi khk khr kia kib kic kid kie kih kii kik kil kir kkb kkc kke kkh kki kkk kkl kkr kl- kla klb klc kld klh kli klr kra krc krd kri krk krl krr la- laa lab lac lad lae lah lai lak lal lar lba lbb lbc lbd lbe lbh lbi lbk lbl lbr lca lcb lcc lcd lce lch lci lck lcl lcr lda ldb ldc ldd lde ldh ldi ldk ldl ldr lea leb lec led lee leh lei lek lel ler lha lhb lhc lhd lhh lhi lhk lhr lia lib lic lid lie lih lii lik lil lir lka lkb lkh lkl lkr lla llb llc lld lle lli llk lll llr lra lrb lrc lrd lrh lri lrk lrr ra- raa rab rac rad rae rah rai rak ral rar rba rbb rbc rbd rbe rbh rbi rbk rbl rbr rca rcb rcc rcd rce rch rci rcl rcr rda rdb rdc rdd rde rdh rdi rdl rdr re- rea reb rec red ree reh rei rek rel rer rh- rha rhb rhc rhd rhe rhh rhi rhl rhr ria rib ric rid rie rih rii rik ril rir rkb rkc rke rkk rla rlc rld rle rlh rli rll rlr rra rrb rrc rrd rrh rri rrk rrl rrr

a-ak a-be a-ha a-ii aaaa aaab aaac aaad aaae aaah aaai aaal aaar aaba aabb aabc aabd aabh aabi aabl aaca aacb