-er -ey a-a a-b aaa aab aae aaj aap aar aay ab- aba abb abe abj abp abr aby aea aeb aee aej aep aer aey aja ajb aje ajj ajp ajr ajy ap- apa apb ape apj app apr apy ar- ara arb are arj arp arr ary ay- aya aye ayp ayr b-p baa bab bae baj bap bar bay bba bbb bbe bbp bbr bby be- bea beb bee bep ber bey bja bjj bjp bjr bpa bpb bpe bpp bpr bpy bra brb bre brj brp brr bry by- bya bye byj byp byr eaa eab eae eaj eap ear eba ebb ebe ebj ebp ebr eby eea eeb eee eep eer eey eja ejp ep- epa epb epe epp epr era erb ere erp err ery eya eye eyp eyr jaa jab jae jaj jap jar jay jba jbj jbr jea jeb jee jej jep jer jey jja jjb jjj jjp jjr jjy jpa jpb jpe jpj jpp jpr jpy jra jrb jrp jrr jyj jyp jyr p-p paa pab pae paj pap par pay pba pbb pbe pbj pbp pbr pby pea peb pee pep per pey pja pjp ppa ppb ppe ppj ppp ppr pra prb pre prp prr pry py- pya pyb pye pyr ra- raa rab rae raj rap rar ray rba rbb rbe rbp rbr re- rea reb ree rep rer rey rja rjp rjr rpa rpb rpe rpp rpr rra rrb rrp rrr ry- rya rye ryr ryy yaa yab yae yap yar yay ybe ybp ybr yby yea yeb yee yep yer yey ypa yra yre yrp yyb yye yyy