-er -th a-a a-b a-t aaa aab aae aah aan aap aar aat ab- aba abb abe abh abn abp abr abt aea aeb aee aeh aen aep aer aet aha ahb ahe ahh ahn ahp ahr aht an- ana anb ane anh ann anp anr ant ap- apa apb ape aph apn app apr apt ar- ara arb are arh arn arp arr art at- ata atb ate ath atn atp atr att b-p baa bab bae bah ban bap bar bat bba bbb bbe bbh bbn bbp bbr bbt be- bea beb bee beh ben bep ber bet bha bhb bhe bhh bhp bhr bht bna bnb bne bnn bnp bnr bnt bpa bpb bpe bph bpn bpp bpr bpt bra brb bre brh brn brp brr brt bta btb bte bth btn btp btr btt eaa eab eae eah ean eap ear eat eba ebb ebe ebh ebn ebp ebr ebt eea eeb eee een eep eer eet eha ehb ehe ehh ehn ehp ehr eht en- ena enb ene enh enn enp enr ent ep- epa epb epe eph epn epp epr ept era erb ere erh ern erp err ert eta etb ete eth etn etp etr ett haa hab hae hah han hap har hat hba hbb hbe hbh hbn hbp hbr hbt he- hea heb hee heh hen hep her het hha hhb hhe hhh hhn hhp hhr hht hna hnb hne hnh hnn hnt hpa hpb hpe hph hpn hpp hpr hpt hr- hra hrb hre hrh hrn hrp hrr hrt hta htb hte hth htn htp htr htt naa nab nae nah nan nap nar nat nba nbb nbe nbn nbp nbr nbt ne- nea neb nee neh nen nep ner net nha nhb nhe nhh nhn nhp nhr nht nna nnb nne nnh nnn nnp nnt npa npb npe nph npn npp npr npt nra nrb nre nrn nrp nrr nrt nta ntb nte nth ntn ntp ntr ntt p-p paa pab pae pah pan pap par pat pba pbb pbe pbn pbp pbr pbt pea peb pee peh pen pep per pet pha phb phe phn php phr pht pn- pna pnb pne pnh pnn pnp pnr pnt ppa ppb ppe pph ppn ppp ppr ppt pra prb pre prh prn prp prr prt pt- pta ptb pte pth ptn ptp ptr ptt ra- raa rab rae rah ran rap rar rat rba rbb rbe rbh rbn rbp rbr rbt re- rea reb ree reh ren rep rer ret rh- rha rhb rhe rhh rhn rhp rhr rht rna rnb rnh rnn rnp rnr rnt rpa rpb rpe rph rpn rpp rpr rpt rra rrb rrh rrn rrp rrr rrt rta rtb rte rtn rtp rtr rtt taa tab tae tah tan tap tar tat tba tbb tbe tbh tbn tbp tbr tbt te- tea teb tee teh ten tep ter tet th- tha thb the thh thn thp thr tht tna tnb tne tnh tnn tnp tnr tnt tpa tpb tpe tph tpn tpp tpr tpt tra trb tre trh trn trp trr trt tta ttb tte tth ttn ttp ttr ttt