-al -er -ic a-a a-b a-c a-i aaa aab aac aae aah aai aak aal aap aar ab- aba abb abc abe abh abi abk abl abp abr ac- aca acb acc ace ach aci ack acl acp acr aea aeb aec aee aeh aei aek ael aep aer aha ahb ahc ahe ahh ahi ahk ahl ahp ahr ai- aia aib aic aie aih aii aik ail aip air aka akb akc ake akh aki akk akl akp akr al- ala alb alc ale alh ali alk all alp alr ap- apa apb apc ape aph api apk apl app apr ar- ara arb arc are arh ari ark arl arp arr b-p baa bab bac bae bah bai bak bal bap bar bba bbb bbc bbe bbh bbi bbk bbl bbp bbr bca bcb bcc bce bch bci bck bcl bcp bcr be- bea beb bec bee beh bei bek bel bep ber bha bhb bhc bhe bhh bhi bhk bhl bhp bhr bi- bia bib bic bie bih bii bik bil bip bir bka bkb bkc bke bkk bkl bkp bkr bla blb blc ble blh bli blk bll blp blr bpa bpb bpc bpe bph bpi bpl bpp bpr bra brb bre brh bri brk brl brp brr c-- caa cab cac cae cah cai cak cal cap car cba cbb cbc cbe cbh cbi cbk cbl cbp cbr cca ccb ccc cce cch cci cck ccl ccp ccr ce- cea ceb cec cee ceh cei cek cel cep cer ch- cha chb chc che chh chi chk chl chp chr ci- cia cib cic cie cih cii cik cil cip cir cka ckb ckc ckh cki cl- cla clb clc cle clh cli clk cll clp clr cpa cpb cpc cpe cph cpi cpk cpl cpp cpr cra crb crc cre crh cri crk crl crp crr eaa eab eac eae eah eai eak eal eap ear eba ebb ebc ebe ebh ebi ebk ebl ebp ebr ec- eca ecb ecc ece ech eci eck ecl ecr eea eeb eec eee eek eel eep eer eha ehb ehc ehe ehh ehi ehl ehp ehr eia eib eic eie eii eik eil eip eir eka ekb ekc eke ekh eki ekl ekp ekr ela elb elc ele elh eli elk ell elp elr ep- epa epb epc epe eph epi epl epp epr era erb erc ere erh eri erk erl erp err h-i haa hab hac hae hah hai hak hal hap har hba hbb hbc hbe hbh hbi hbk hbl hbp hbr hca hcb hcc hce hch hci hck hcl hcp hcr he- hea heb hec hee heh hei hek hel hep her hha hhb hhc hhe hhh hhi hhk hhl hhp hhr hia hib hic hie hih hii hik hil hip hir hka hkb hkh hki hkk hkl hkp hkr hla hlb hlc hle hlh hli hll hlp hlr hpa hpb hpc hpe hph hpi hpk hpl hpp hpr hr- hra hrb hrc hre hrh hri hrk hrl hrp hrr ia- iaa iab iac iae iah iai ial iap iar iba ibb ibc ibe ibh ibi ibk ibl ibp ibr ica icb icc ice ich ici ick icl icp icr ie- iea iec iee iei iek iel iep ier iha ihb ihc ihe ihh ihi ihk ihl ihp ihr iia iib iic iie iih iii iil iip iir ika ikb ikc ike iki ikk ikl ikr il- ila ilb ilc ile ilh ili ilk ill ilp ilr ipa ipb ipc ipe ipi ipl ipp ipr ir- ira irb irc ire iri irk irl irp irr ka- kaa kab kac kae kah kai kak kal kap kar kba kbb kbc kbe kbh kbi kbk kbl kbp kbr kca kcb kcc kce kch kci kck kcl kcp kcr ke- kea keb kec kee keh kei kek kel kep ker kha khe khh khi khk khr kia kib kic kie kih kii kik kil kip kir kkb kkc kke kkh kki kkk kkl kkp kkr kl- kla klb klc klh kli klr kpa kpc kpe kph kpi kpk kpl kpp kpr kra krc kri krk krl krp krr l-p la- laa lab lac lae lah lai lak lal lap lar lba lbb lbc lbe lbh lbi lbk lbl lbp lbr lca lcb lcc lce lch lci lck lcl lcp lcr lea leb lec lee leh lei lek lel lep ler lha lhb lhc lhh lhi lhk lhp lhr lia lib lic lie lih lii lik lil lip lir lka lkb lkh lkl lkp lkr lla llb llc lle lli llk lll llp llr lpa lpb lpc lpe lph lpi lpk lpl lpp lpr lra lrb lrc lrh lri lrk lrp lrr p-p paa pab pac pae pah pai pak pal pap par pba pbb pbc pbe pbi pbk pbl pbp pbr pca pcb pcc pce pch pci pck pcl pcp pcr pea peb pec pee peh pei pek pel pep per pha phb phc phe phi phk phl php phr pia pib pic pie pih pii pik pil pip pir pka pkb pkc pke pki pkl pkp pkr pla plb plc ple plh pli plk pll plp plr ppa ppb ppc ppe pph ppi ppk ppl ppp ppr pra prb prc pre prh pri prk prl prp prr ra- raa rab rac rae rah rai rak ral rap rar rba rbb rbc rbe rbh rbi rbk rbl rbp rbr rca rcb rcc rce rch rci rcl rcp rcr re- rea reb rec ree reh rei rek rel rep rer rh- rha rhb rhc rhe rhh rhi rhl rhp rhr ria rib ric rie rih rii rik ril rip rir rkb rkc rke rkk rkp rla rlc rle rlh rli rll rlp rlr rpa rpb rpc rpe rph rpi rpk rpl rpp rpr rra rrb rrc rrh rri rrk rrl rrp rrr

a-ak a-be a-ha a-ii aaaa aaab aaac aaae aaah aaai aaal aaap aaar aaba aabb aabc aabh aabi aabl aabp aaca aacb aacc aace aach