-al -er -th a-a a-b a-c a-t aaa aab aac aae aah aak aal aar aas aat ab- aba abb abc abe abh abk abl abr abs abt ac- aca acb acc ace ach ack acl acr acs act aea aeb aec aee aeh aek ael aer aes aet aha ahb ahc ahe ahh ahk ahl ahr ahs aht aka akb akc ake akh akk akl akr aks al- ala alb alc ale alh alk all alr als alt ar- ara arb arc are arh ark arl arr ars art as- asa asb asc ase ash ask asl asr ass ast at- ata atb atc ate ath atl atr ats att baa bab bac bae bah bak bal bar bas bat bba bbb bbc bbe bbh bbk bbl bbr bbs bbt bca bcb bcc bce bch bck bcl bcr bcs bct be- bea beb bec bee beh bek bel ber bes bet bha bhb bhc bhe bhh bhk bhl bhr bhs bht bka bkb bkc bke bkk bkl bkr bks bkt bla blb blc ble blh blk bll blr bls blt bra brb bre brh brk brl brr brs brt bsa bsb bsc bse bsh bsk bsl bsr bss bst bta btb btc bte bth btk btl btr bts btt c-- caa cab cac cae cah cak cal car cas cat cba cbb cbc cbe cbh cbk cbl cbr cbs cbt cca ccb ccc cce cch cck ccl ccr ccs cct ce- cea ceb cec cee ceh cek cel cer ces cet ch- cha chb chc che chh chk chl chr chs cht cka ckb ckc ckh cks ckt cl- cla clb clc cle clh clk cll clr cls clt cra crb crc cre crh crk crl crr crs crt csa csb csc cse csh csk csl csr css cst cta ctb ctc cte cth ctk ctl ctr cts ctt eaa eab eac eae eah eak eal ear eas eat eba ebb ebc ebe ebh ebk ebl ebr ebs ebt ec- eca ecb ecc ece ech eck ecl ecr ecs ect eea eeb eec eee eek eel eer ees eet eha ehb ehc ehe ehh ehl ehr ehs eht eka ekb ekc eke ekh ekl ekr eks ekt ela elb elc ele elh elk ell elr els elt era erb erc ere erh erk erl err ers ert es- esa esb esc ese esh esk esl esr ess est eta etb etc ete eth etk etl etr ets ett haa hab hac hae hah hak hal har has hat hba hbb hbc hbe hbh hbk hbl hbr hbs hbt hca hcb hcc hce hch hck hcl hcr hcs hct he- hea heb hec hee heh hek hel her hes het hha hhb hhc hhe hhh hhk hhl hhr hhs hht hka hkb hkh hkk hkl hkr hks hkt hla hlb hlc hle hlh hll hlr hls hlt hr- hra hrb hrc hre hrh hrk hrl hrr hrs hrt hsa hsb hsc hse hsh hsk hsl hsr hss hst hta htb htc hte hth htk htl htr hts htt k-t ka- kaa kab kac kae kah kak kal kar kas kat kba kbb kbc kbe kbh kbk kbl kbr kbs kca kcb kcc kce kch kck kcl kcr kcs kct ke- kea keb kec kee keh kek kel ker kes ket kha khe khh khk khr khs kkb kkc kke kkh kkk kkl kkr kks kkt kl- kla klb klc klh klr kls klt kra krc krk krl krr krs krt ksa ksb ksc kse ksh ksk ksl ksr kss kst kta ktb ktc kte kth ktk ktl ktr kts ktt la- laa lab lac lae lah lak lal lar las lat lba lbb lbc lbe lbh lbk lbl lbr lbs lbt lca lcb lcc lce lch lck lcl lcr lcs lct lea leb lec lee leh lek lel ler les let lha lhb lhc lhh lhk lhr lhs lht lka lkb lkh lkl lkr lks lkt lla llb llc lle llk lll llr lls llt lra lrb lrc lrh lrk lrr lrs lrt lsa lsb lsc lse lsh lsk lsl lsr lss lst lta ltb ltc lte lth ltk ltl ltr lts ltt ra- raa rab rac rae rah rak ral rar ras rat rba rbb rbc rbe rbh rbk rbl rbr rbs rbt rca rcb rcc rce rch rcl rcr rcs rct re- rea reb rec ree reh rek rel rer res ret rh- rha rhb rhc rhe rhh rhl rhr rhs rht rkb rkc rke rkk rks rkt rla rlc rle rlh rll rlr rls rlt rra rrb rrc rrh rrk rrl rrr rrs rrt rsa rsb rsc rse rsh rsk rsl rsr rss rst rta rtb rtc rte rtk rtl rtr rts rtt saa sab sac sae sah sak sal sar sas sat sba sbb sbc sbe sbh sbk sbl sbr sbs sbt sca scb scc sce sch sck scl scr scs sct se- sea seb sec see seh sek sel ser ses set sh- sha shb shc she shh shk shl shr shs sht sk- ska skb skc ske skh skk skl skr sks skt sla slb slc sle slh slk sll slr sls slt sr- sra srb src sre srh srk srl srr srs srt ss- ssa ssb ssc sse ssh ssk ssl ssr sss sst sta stb stc ste sth stk stl str sts stt taa tab tac tae tah tak tal tar tas tat tba tbb tbc tbe tbh tbk tbl tbr tbs tbt tca tcb tcc tce tch tck tcl tcr tcs tct te- tea teb tec tee teh tek tel ter tes tet th- tha thb thc the thh thk thl thr ths tht tka tkb tkc tke tkk tkl tkr tks tkt tla tlc tle tlh tlk tll tlr tls tlt tra trb trc tre trh trk trl trr trs trt tsa tsb tsc tse tsh tsk tsl tsr tss tst tta ttb ttc tte tth ttk ttl ttr tts ttt