-er -th a-a a-b a-c a-t aaa aab aac aae aah aak aap aar aas aat ab- aba abb abc abe abh abk abp abr abs abt ac- aca acb acc ace ach ack acp acr acs act aea aeb aec aee aeh aek aep aer aes aet aha ahb ahc ahe ahh ahk ahp ahr ahs aht aka akb akc ake akh akk akp akr aks ap- apa apb apc ape aph apk app apr aps apt ar- ara arb arc are arh ark arp arr ars art as- asa asb asc ase ash ask asp asr ass ast at- ata atb atc ate ath atp atr ats att b-p baa bab bac bae bah bak bap bar bas bat bba bbb bbc bbe bbh bbk bbp bbr bbs bbt bca bcb bcc bce bch bck bcp bcr bcs bct be- bea beb bec bee beh bek bep ber bes bet bha bhb bhc bhe bhh bhk bhp bhr bhs bht bka bkb bkc bke bkk bkp bkr bks bkt bpa bpb bpc bpe bph bpp bpr bps bpt bra brb bre brh brk brp brr brs brt bsa bsb bsc bse bsh bsk bsp bsr bss bst bta btb btc bte bth btk btp btr bts btt c-- caa cab cac cae cah cak cap car cas cat cba cbb cbc cbe cbh cbk cbp cbr cbs cbt cca ccb ccc cce cch cck ccp ccr ccs cct ce- cea ceb cec cee ceh cek cep cer ces cet ch- cha chb chc che chh chk chp chr chs cht cka ckb ckc ckh cks ckt cpa cpb cpc cpe cph cpk cpp cpr cps cpt cra crb crc cre crh crk crp crr crs crt csa csb csc cse csh csk csp csr css cst cta ctb ctc cte cth ctk ctp ctr cts ctt eaa eab eac eae eah eak eap ear eas eat eba ebb ebc ebe ebh ebk ebp ebr ebs ebt ec- eca ecb ecc ece ech eck ecr ecs ect eea eeb eec eee eek eep eer ees eet eha ehb ehc ehe ehh ehp ehr ehs eht eka ekb ekc eke ekh ekp ekr eks ekt ep- epa epb epc epe eph epp epr eps ept era erb erc ere erh erk erp err ers ert es- esa esb esc ese esh esk esp esr ess est eta etb etc ete eth etk etp etr ets ett haa hab hac hae hah hak hap har has hat hba hbb hbc hbe hbh hbk hbp hbr hbs hbt hca hcb hcc hce hch hck hcp hcr hcs hct he- hea heb hec hee heh hek hep her hes het hha hhb hhc hhe hhh hhk hhp hhr hhs hht hka hkb hkh hkk hkp hkr hks hkt hpa hpb hpc hpe hph hpk hpp hpr hps hpt hr- hra hrb hrc hre hrh hrk hrp hrr hrs hrt hsa hsb hsc hse hsh hsk hsp hsr hss hst hta htb htc hte hth htk htp htr hts htt k-t ka- kaa kab kac kae kah kak kap kar kas kat kba kbb kbc kbe kbh kbk kbp kbr kbs kca kcb kcc kce kch kck kcp kcr kcs kct ke- kea keb kec kee keh kek kep ker kes ket kha khe khh khk khr khs kkb kkc kke kkh kkk kkp kkr kks kkt kpa kpc kpe kph kpk kpp kpr kps kpt kra krc krk krp krr krs krt ksa ksb ksc kse ksh ksk ksp ksr kss kst kta ktb ktc kte kth ktk ktp ktr kts ktt p-p paa pab pac pae pah pak pap par pas pat pba pbb pbc pbe pbk pbp pbr pbs pbt pca pcb pcc pce pch pck pcp pcr pcs pct pea peb pec pee peh pek pep per pes pet pha phb phc phe phk php phr phs pht pka pkb pkc pke pkp pkr pks pkt ppa ppb ppc ppe pph ppk ppp ppr pps ppt pra prb prc pre prh prk prp prr prs prt ps- psa psb psc pse psh psk psp psr pss pst pt- pta ptb ptc pte pth ptk ptp ptr pts ptt ra- raa rab rac rae rah rak rap rar ras rat rba rbb rbc rbe rbh rbk rbp rbr rbs rbt rca rcb rcc rce rch rcp rcr rcs rct re- rea reb rec ree reh rek rep rer res ret rh- rha rhb rhc rhe rhh rhp rhr rhs rht rkb rkc rke rkk rkp rks rkt rpa rpb rpc rpe rph rpk rpp rpr rps rpt rra rrb rrc rrh rrk rrp rrr rrs rrt rsa rsb rsc rse rsh rsk rsp rsr rss rst rta rtb rtc rte rtk rtp rtr rts rtt saa sab sac sae sah sak sap sar sas sat sba sbb sbc sbe sbh sbk sbp sbr sbs sbt sca scb scc sce sch sck scp scr scs sct se- sea seb sec see seh sek sep ser ses set sh- sha shb shc she shh shk shp shr shs sht sk- ska skb skc ske skh skk skp skr sks skt spa spb spc spe sph spk spp spr sps spt sr- sra srb src sre srh srk srp srr srs srt ss- ssa ssb ssc sse ssh ssk ssp ssr sss sst sta stb stc ste sth stk stp str sts stt taa tab tac tae tah tak tap tar tas tat tba tbb tbc tbe tbh tbk tbp tbr tbs tbt tca tcb tcc tce tch tck tcp tcr tcs tct te- tea teb tec tee teh tek tep ter tes tet th- tha thb thc the thh thk thp thr ths tht tka tkb tkc tke tkk tkp tkr tks tkt tpa tpb tpc tpe tph tpk tpp tpr tps tpt tra trb trc tre trh trk trp trr trs trt tsa tsb tsc tse tsh tsk tsp tsr tss tst tta ttb ttc tte tth ttk ttp ttr tts ttt