-er -th a-a a-b a-i a-t aaa aab aae aah aai aak aar aas aat ab- aba abb abe abh abi abk abr abs abt aea aeb aee aeh aei aek aer aes aet aha ahb ahe ahh ahi ahk ahr ahs aht ai- aia aib aie aih aii aik air ais ait aka akb ake akh aki akk akr aks ar- ara arb are arh ari ark arr ars art as- asa asb ase ash asi ask asr ass ast at- ata atb ate ath ati atr ats att baa bab bae bah bai bak bar bas bat bba bbb bbe bbh bbi bbk bbr bbs bbt be- bea beb bee beh bei bek ber bes bet bha bhb bhe bhh bhi bhk bhr bhs bht bi- bia bib bie bih bii bik bir bis bit bka bkb bke bkk bkr bks bkt bra brb bre brh bri brk brr brs brt bsa bsb bse bsh bsi bsk bsr bss bst bta btb bte bth bti btk btr bts btt eaa eab eae eah eai eak ear eas eat eba ebb ebe ebh ebi ebk ebr ebs ebt eea eeb eee eek eer ees eet eha ehb ehe ehh ehi ehr ehs eht eia eib eie eii eik eir eis eit eka ekb eke ekh eki ekr eks ekt era erb ere erh eri erk err ers ert es- esa esb ese esh esi esk esr ess est eta etb ete eth eti etk etr ets ett h-i haa hab hae hah hai hak har has hat hba hbb hbe hbh hbi hbk hbr hbs hbt he- hea heb hee heh hei hek her hes het hha hhb hhe hhh hhi hhk hhr hhs hht hia hib hie hih hii hik hir his hit hka hkb hkh hki hkk hkr hks hkt hr- hra hrb hre hrh hri hrk hrr hrs hrt hsa hsb hse hsh hsi hsk hsr hss hst hta htb hte hth hti htk htr hts htt ia- iaa iab iae iah iai iar ias iat iba ibb ibe ibh ibi ibk ibr ibs ibt ie- iea iee iei iek ier ies iet iha ihb ihe ihh ihi ihk ihr ihs iht iia iib iie iih iii iir iis iit ika ikb ike iki ikk ikr iks ikt ir- ira irb ire iri irk irr irs irt is- isa isb ise ish isi isk isr iss ist ita itb ite ith iti itk its itt k-t ka- kaa kab kae kah kai kak kar kas kat kba kbb kbe kbh kbi kbk kbr kbs ke- kea keb kee keh kei kek ker kes ket kha khe khh khi khk khr khs kia kib kie kih kii kik kir kis kit kkb kke kkh kki kkk kkr kks kkt kra kri krk krr krs krt ksa ksb kse ksh ksi ksk ksr kss kst kta ktb kte kth ktk ktr kts ktt ra- raa rab rae rah rai rak rar ras rat rba rbb rbe rbh rbi rbk rbr rbs rbt re- rea reb ree reh rei rek rer res ret rh- rha rhb rhe rhh rhi rhr rhs rht ria rib rie rih rii rik rir ris rit rkb rke rkk rks rkt rra rrb rrh rri rrk rrr rrs rrt rsa rsb rse rsh rsi rsk rsr rss rst rta rtb rte rti rtk rtr rts rtt saa sab sae sah sai sak sar sas sat sba sbb sbe sbh sbi sbk sbr sbs sbt se- sea seb see seh sei sek ser ses set sh- sha shb she shh shi shk shr shs sht sia sib sie sih sii sik sir sis sit sk- ska skb ske skh ski skk skr sks skt sr- sra srb sre srh sri srk srr srs srt ss- ssa ssb sse ssh ssi ssk ssr sss sst sta stb ste sth sti stk str sts stt taa tab tae tah tai tak tar tas tat tba tbb tbe tbh tbi tbk tbr tbs tbt te- tea teb tee teh tei tek ter tes tet th- tha thb the thh thi thk thr ths tht tia tib tie tih tii tik tir tis tit tka tkb tke tkk tkr tks tkt tra trb tre trh tri trk trr trs trt tsa tsb tse tsh tsi tsk tsr tss tst tta ttb tte tth tti ttk ttr tts ttt