-al -er -th a-a a-b a-c a-t aaa aab aac aae aah aak aal aar aat ab- aba abb abc abe abh abk abl abr abt ac- aca acb acc ace ach ack acl acr act aea aeb aec aee aeh aek ael aer aet aha ahb ahc ahe ahh ahk ahl ahr aht aka akb akc ake akh akk akl akr al- ala alb alc ale alh alk all alr alt ar- ara arb arc are arh ark arl arr art at- ata atb atc ate ath atl atr att baa bab bac bae bah bak bal bar bat bba bbb bbc bbe bbh bbk bbl bbr bbt bca bcb bcc bce bch bck bcl bcr bct be- bea beb bec bee beh bek bel ber bet bha bhb bhc bhe bhh bhk bhl bhr bht bka bkb bkc bke bkk bkl bkr bkt bla blb blc ble blh blk bll blr blt bra brb bre brh brk brl brr brt bta btb btc bte bth btk btl btr btt c-- caa cab cac cae cah cak cal car cat cba cbb cbc cbe cbh cbk cbl cbr cbt cca ccb ccc cce cch cck ccl ccr cct ce- cea ceb cec cee ceh cek cel cer cet ch- cha chb chc che chh chk chl chr cht cka ckb ckc ckh ckt cl- cla clb clc cle clh clk cll clr clt cra crb crc cre crh crk crl crr crt cta ctb ctc cte cth ctk ctl ctr ctt eaa eab eac eae eah eak eal ear eat eba ebb ebc ebe ebh ebk ebl ebr ebt ec- eca ecb ecc ece ech eck ecl ecr ect eea eeb eec eee eek eel eer eet eha ehb ehc ehe ehh ehl ehr eht eka ekb ekc eke ekh ekl ekr ekt ela elb elc ele elh elk ell elr elt era erb erc ere erh erk erl err ert eta etb etc ete eth etk etl etr ett haa hab hac hae hah hak hal har hat hba hbb hbc hbe hbh hbk hbl hbr hbt hca hcb hcc hce hch hck hcl hcr hct he- hea heb hec hee heh hek hel her het hha hhb hhc hhe hhh hhk hhl hhr hht hka hkb hkh hkk hkl hkr hkt hla hlb hlc hle hlh hll hlr hlt hr- hra hrb hrc hre hrh hrk hrl hrr hrt hta htb htc hte hth htk htl htr htt k-t ka- kaa kab kac kae kah kak kal kar kat kba kbb kbc kbe kbh kbk kbl kbr kca kcb kcc kce kch kck kcl kcr kct ke- kea keb kec kee keh kek kel ker ket kha khe khh khk khr kkb kkc kke kkh kkk kkl kkr kkt kl- kla klb klc klh klr klt kra krc krk krl krr krt kta ktb ktc kte kth ktk ktl ktr ktt la- laa lab lac lae lah lak lal lar lat lba lbb lbc lbe lbh lbk lbl lbr lbt lca lcb lcc lce lch lck lcl lcr lct lea leb lec lee leh lek lel ler let lha lhb lhc lhh lhk lhr lht lka lkb lkh lkl lkr lkt lla llb llc lle llk lll llr llt lra lrb lrc lrh lrk lrr lrt lta ltb ltc lte lth ltk ltl ltr ltt ra- raa rab rac rae rah rak ral rar rat rba rbb rbc rbe rbh rbk rbl rbr rbt rca rcb rcc rce rch rcl rcr rct re- rea reb rec ree reh rek rel rer ret rh- rha rhb rhc rhe rhh rhl rhr rht rkb rkc rke rkk rkt rla rlc rle rlh rll rlr rlt rra rrb rrc rrh rrk rrl rrr rrt rta rtb rtc rte rtk rtl rtr rtt taa tab tac tae tah tak tal tar tat tba tbb tbc tbe tbh tbk tbl tbr tbt tca tcb tcc tce tch tck tcl tcr tct te- tea teb tec tee teh tek tel ter tet th- tha thb thc the thh thk thl thr tht tka tkb tkc tke tkk tkl tkr tkt tla tlc tle tlh tlk tll tlr tlt tra trb trc tre trh trk trl trr trt tta ttb ttc tte tth ttk ttl ttr ttt