-al -er -ic -th a-a a-b a-c a-i a-t aaa aab aac aae aah aai aak aal aar aat ab- aba abb abc abe abh abi abk abl abr abt ac- aca acb acc ace ach aci ack acl acr act aea aeb aec aee aeh aei aek ael aer aet aha ahb ahc ahe ahh ahi ahk ahl ahr aht ai- aia aib aic aie aih aii aik ail air ait aka akb akc ake akh aki akk akl akr al- ala alb alc ale alh ali alk all alr alt ar- ara arb arc are arh ari ark arl arr art at- ata atb atc ate ath ati atl atr att baa bab bac bae bah bai bak bal bar bat bba bbb bbc bbe bbh bbi bbk bbl bbr bbt bca bcb bcc bce bch bci bck bcl bcr bct be- bea beb bec bee beh bei bek bel ber bet bha bhb bhc bhe bhh bhi bhk bhl bhr bht bi- bia bib bic bie bih bii bik bil bir bit bka bkb bkc bke bkk bkl bkr bkt bla blb blc ble blh bli blk bll blr blt bra brb bre brh bri brk brl brr brt bta btb btc bte bth bti btk btl btr btt c-- caa cab cac cae cah cai cak cal car cat cba cbb cbc cbe cbh cbi cbk cbl cbr cbt cca ccb ccc cce cch cci cck ccl ccr cct ce- cea ceb cec cee ceh cei cek cel cer cet ch- cha chb chc che chh chi chk chl chr cht ci- cia cib cic cie cih cii cik cil cir cit cka ckb ckc ckh cki ckt cl- cla clb clc cle clh cli clk cll clr clt cra crb crc cre crh cri crk crl crr crt cta ctb ctc cte cth cti ctk ctl ctr ctt eaa eab eac eae eah eai eak eal ear eat eba ebb ebc ebe ebh ebi ebk ebl ebr ebt ec- eca ecb ecc ece ech eci eck ecl ecr ect eea eeb eec eee eek eel eer eet eha ehb ehc ehe ehh ehi ehl ehr eht eia eib eic eie eii eik eil eir eit eka ekb ekc eke ekh eki ekl ekr ekt ela elb elc ele elh eli elk ell elr elt era erb erc ere erh eri erk erl err ert eta etb etc ete eth eti etk etl etr ett h-i haa hab hac hae hah hai hak hal har hat hba hbb hbc hbe hbh hbi hbk hbl hbr hbt hca hcb hcc hce hch hci hck hcl hcr hct he- hea heb hec hee heh hei hek hel her het hha hhb hhc hhe hhh hhi hhk hhl hhr hht hia hib hic hie hih hii hik hil hir hit hka hkb hkh hki hkk hkl hkr hkt hla hlb hlc hle hlh hli hll hlr hlt hr- hra hrb hrc hre hrh hri hrk hrl hrr hrt hta htb htc hte hth hti htk htl htr htt ia- iaa iab iac iae iah iai ial iar iat iba ibb ibc ibe ibh ibi ibk ibl ibr ibt ica icb icc ice ich ici ick icl icr ict ie- iea iec iee iei iek iel ier iet iha ihb ihc ihe ihh ihi ihk ihl ihr iht iia iib iic iie iih iii iil iir iit ika ikb ikc ike iki ikk ikl ikr ikt il- ila ilb ilc ile ilh ili ilk ill ilr ilt ir- ira irb irc ire iri irk irl irr irt ita itb itc ite ith iti itk itl itt k-t ka- kaa kab kac kae kah kai kak kal kar kat kba kbb kbc kbe kbh kbi kbk kbl kbr kca kcb kcc kce kch kci kck kcl kcr kct ke- kea keb kec kee keh kei kek kel ker ket kha khe khh khi khk khr kia kib kic kie kih kii kik kil kir kit kkb kkc kke kkh kki kkk kkl kkr kkt kl- kla klb klc klh kli klr klt kra krc kri krk krl krr krt kta ktb ktc kte kth ktk ktl ktr ktt la- laa lab lac lae lah lai lak lal lar lat lba lbb lbc lbe lbh lbi lbk lbl lbr lbt lca lcb lcc lce lch lci lck lcl lcr lct lea leb lec lee leh lei lek lel ler let lha lhb lhc lhh lhi lhk lhr lht lia lib lic lie lih lii lik lil lir lit lka lkb lkh lkl lkr lkt lla llb llc lle lli llk lll llr llt lra lrb lrc lrh lri lrk lrr lrt lta ltb ltc lte lth lti ltk ltl ltr ltt ra- raa rab rac rae rah rai rak ral rar rat rba rbb rbc rbe rbh rbi rbk rbl rbr rbt rca rcb rcc rce rch rci rcl rcr rct re- rea reb rec ree reh rei rek rel rer ret rh- rha rhb rhc rhe rhh rhi rhl rhr rht ria rib ric rie rih rii rik ril rir rit rkb rkc rke rkk rkt rla rlc rle rlh rli rll rlr rlt rra rrb rrc rrh rri rrk rrl rrr rrt rta rtb rtc rte rti rtk rtl rtr rtt taa tab tac tae tah tai tak tal tar tat tba tbb tbc tbe tbh tbi tbk tbl tbr tbt tca tcb tcc tce tch tci tck tcl tcr tct te- tea teb tec tee teh tei tek tel ter tet th- tha thb thc the thh thi thk thl thr tht tia tib tic tie tih tii tik til tir tit tka tkb tkc tke tkk tkl tkr tkt tla tlc tle tlh tli tlk tll tlr tlt tra trb trc tre trh tri trk trl trr trt tta ttb ttc tte tth tti ttk ttl ttr ttt

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