-al -ic -th a-a a-b a-c a-i a-t aaa aab aac aah aai aak aal aar aas aat ab- aba abb abc abh abi abk abl abr abs abt ac- aca acb acc ach aci ack acl acr acs act aha ahb ahc ahh ahi ahk ahl ahr ahs aht ai- aia aib aic aih aii aik ail air ais ait aka akb akc akh aki akk akl akr aks al- ala alb alc alh ali alk all alr als alt ar- ara arb arc arh ari ark arl arr ars art as- asa asb asc ash asi ask asl asr ass ast at- ata atb atc ath ati atl atr ats att baa bab bac bah bai bak bal bar bas bat bba bbb bbc bbh bbi bbk bbl bbr bbs bbt bca bcb bcc bch bci bck bcl bcr bcs bct bha bhb bhc bhh bhi bhk bhl bhr bhs bht bi- bia bib bic bih bii bik bil bir bis bit bka bkb bkc bkk bkl bkr bks bkt bla blb blc blh bli blk bll blr bls blt bra brb brh bri brk brl brr brs brt bsa bsb bsc bsh bsi bsk bsl bsr bss bst bta btb btc bth bti btk btl btr bts btt c-- caa cab cac cah cai cak cal car cas cat cba cbb cbc cbh cbi cbk cbl cbr cbs cbt cca ccb ccc cch cci cck ccl ccr ccs cct ch- cha chb chc chh chi chk chl chr chs cht ci- cia cib cic cih cii cik cil cir cis cit cka ckb ckc ckh cki cks ckt cl- cla clb clc clh cli clk cll clr cls clt cra crb crc crh cri crk crl crr crs crt csa csb csc csh csi csk csl csr css cst cta ctb ctc cth cti ctk ctl ctr cts ctt h-i haa hab hac hah hai hak hal har has hat hba hbb hbc hbh hbi hbk hbl hbr hbs hbt hca hcb hcc hch hci hck hcl hcr hcs hct hha hhb hhc hhh hhi hhk hhl hhr hhs hht hia hib hic hih hii hik hil hir his hit hka hkb hkh hki hkk hkl hkr hks hkt hla hlb hlc hlh hli hll hlr hls hlt hr- hra hrb hrc hrh hri hrk hrl hrr hrs hrt hsa hsb hsc hsh hsi hsk hsl hsr hss hst hta htb htc hth hti htk htl htr hts htt ia- iaa iab iac iah iai ial iar ias iat iba ibb ibc ibh ibi ibk ibl ibr ibs ibt ica icb icc ich ici ick icl icr ics ict iha ihb ihc ihh ihi ihk ihl ihr ihs iht iia iib iic iih iii iil iir iis iit ika ikb ikc iki ikk ikl ikr iks ikt il- ila ilb ilc ilh ili ilk ill ilr ils ilt ir- ira irb irc iri irk irl irr irs irt is- isa isb isc ish isi isk isl isr iss ist ita itb itc ith iti itk itl its itt k-t ka- kaa kab kac kah kai kak kal kar kas kat kba kbb kbc kbh kbi kbk kbl kbr kbs kca kcb kcc kch kci kck kcl kcr kcs kct kha khh khi khk khr khs kia kib kic kih kii kik kil kir kis kit kkb kkc kkh kki kkk kkl kkr kks kkt kl- kla klb klc klh kli klr kls klt kra krc kri krk krl krr krs krt ksa ksb ksc ksh ksi ksk ksl ksr kss kst kta ktb ktc kth ktk ktl ktr kts ktt la- laa lab lac lah lai lak lal lar las lat lba lbb lbc lbh lbi lbk lbl lbr lbs lbt lca lcb lcc lch lci lck lcl lcr lcs lct lha lhb lhc lhh lhi lhk lhr lhs lht lia lib lic lih lii lik lil lir lis lit lka lkb lkh lkl lkr lks lkt lla llb llc lli llk lll llr lls llt lra lrb lrc lrh lri lrk lrr lrs lrt lsa lsb lsc lsh lsi lsk lsl lsr lss lst lta ltb ltc lth lti ltk ltl ltr lts ltt ra- raa rab rac rah rai rak ral rar ras rat rba rbb rbc rbh rbi rbk rbl rbr rbs rbt rca rcb rcc rch rci rcl rcr rcs rct rh- rha rhb rhc rhh rhi rhl rhr rhs rht ria rib ric rih rii rik ril rir ris rit rkb rkc rkk rks rkt rla rlc rlh rli rll rlr rls rlt rra rrb rrc rrh rri rrk rrl rrr rrs rrt rsa rsb rsc rsh rsi rsk rsl rsr rss rst rta rtb rtc rti rtk rtl rtr rts rtt saa sab sac sah sai sak sal sar sas sat sba sbb sbc sbh sbi sbk sbl sbr sbs sbt sca scb scc sch sci sck scl scr scs sct sh- sha shb shc shh shi shk shl shr shs sht sia sib sic sih sii sik sil sir sis sit sk- ska skb skc skh ski skk skl skr sks skt sla slb slc slh sli slk sll slr sls slt sr- sra srb src srh sri srk srl srr srs srt ss- ssa ssb ssc ssh ssi ssk ssl ssr sss sst sta stb stc sth sti stk stl str sts stt taa tab tac tah tai tak tal tar tas tat tba tbb tbc tbh tbi tbk tbl tbr tbs tbt tca tcb tcc tch tci tck tcl tcr tcs tct th- tha thb thc thh thi thk thl thr ths tht tia tib tic tih tii tik til tir tis tit tka tkb tkc tkk tkl tkr tks tkt tla tlc tlh tli tlk tll tlr tls tlt tra trb trc trh tri trk trl trr trs trt tsa tsb tsc tsh tsi tsk tsl tsr tss tst tta ttb ttc tth tti ttk ttl ttr tts ttt

a-ak a-ha a-ii aaaa aaab aaac aaah aaai