-er -ey a-a a-b a-t aaa aab aae aak aap aar aat aay ab- aba abb abe abk abp abr abt aby aea aeb aee aek aep aer aet aey aka akb ake akk akp akr ap- apa apb ape apk app apr apt apy ar- ara arb are ark arp arr art ary at- ata atb ate atp atr att ay- aya aye ayk ayp ayr ayt b-p baa bab bae bak bap bar bat bay bba bbb bbe bbk bbp bbr bbt bby be- bea beb bee bek bep ber bet bey bka bkb bke bkk bkp bkr bkt bpa bpb bpe bpp bpr bpt bpy bra brb bre brk brp brr brt bry bta btb bte btk btp btr btt bty by- bya bye byk byp byr byt eaa eab eae eak eap ear eat eba ebb ebe ebk ebp ebr ebt eby eea eeb eee eek eep eer eet eey eka ekb eke ekp ekr ekt eky ep- epa epb epe epp epr ept era erb ere erk erp err ert ery eta etb ete etk etp etr ett ety eya eye eyp eyr eyt k-t ka- kaa kab kae kak kap kar kat kay kba kbb kbe kbk kbp kbr ke- kea keb kee kek kep ker ket key kkb kke kkk kkp kkr kkt kky kpa kpe kpk kpp kpr kpt kra krk krp krr krt kry kta ktb kte ktk ktp ktr ktt kya kye kyp kyr kyt p-p paa pab pae pak pap par pat pay pba pbb pbe pbk pbp pbr pbt pby pea peb pee pek pep per pet pey pka pkb pke pkp pkr pkt pky ppa ppb ppe ppk ppp ppr ppt pra prb pre prk prp prr prt pry pt- pta ptb pte ptk ptp ptr ptt pty py- pya pyb pye pyk pyr pyt ra- raa rab rae rak rap rar rat ray rba rbb rbe rbk rbp rbr rbt re- rea reb ree rek rep rer ret rey rkb rke rkk rkp rkt rky rpa rpb rpe rpk rpp rpr rpt rra rrb rrk rrp rrr rrt rta rtb rte rtk rtp rtr rtt rty ry- rya rye ryk ryr ryy taa tab tae tak tap tar tat tay tba tbb tbe tbk tbp tbr tbt te- tea teb tee tek tep ter tet tey tka tkb tke tkk tkp tkr tkt tky tpa tpb tpe tpk tpp tpr tpt tra trb tre trk trp trr trt try tta ttb tte ttk ttp ttr ttt tty tya tye typ tyr tyt yaa yab yae yak yap yar yat yay ybe ybp ybr yby yea yeb yee yek yep yer yet yey yka ykk ypa yra yre yrp yrt yta yte ytk ytp ytr ytt yyb yye yyt yyy