-er -ey a-a a-b a-i aaa aab aad aae aai aap aar aay ab- aba abb abd abe abi abp abr aby ad- ada adb add ade adi adp adr ady aea aeb aed aee aei aep aer aey ai- aia aib aid aie aii aip air aiy ap- apa apb apd ape api app apr apy ar- ara arb ard are ari arp arr ary ay- aya ayd aye ayi ayp ayr b-p baa bab bad bae bai bap bar bay bba bbb bbd bbe bbi bbp bbr bby bda bdb bdd bde bdi bdp bdr bdy be- bea beb bed bee bei bep ber bey bi- bia bib bid bie bii bip bir biy bpa bpb bpd bpe bpi bpp bpr bpy bra brb brd bre bri brp brr bry by- bya byd bye byi byp byr daa dab dad dae dai dap dar day dba dbb dbd dbe dbi dbp dbr dby dda ddb ddd dde ddi ddp ddr ddy de- dea deb ded dee dei dep der dey di- dia dib did die dii dip dir diy dpa dpb dpd dpe dpi dpp dpr dra drb drd dre dri drp drr dry dy- dya dyb dyd dye dyp dyr dyy eaa eab ead eae eai eap ear eba ebb ebd ebe ebi ebp ebr eby ed- eda edb edd ede edi edp edr edy eea eeb eed eee eep eer eey eia eib eid eie eii eip eir ep- epa epb epd epe epi epp epr era erb erd ere eri erp err ery eya eyd eye eyp eyr i-d ia- iaa iab iad iae iai iap iar iba ibb ibd ibe ibi ibp ibr iby ida idb idd ide idi idp idr idy ie- iea ied iee iei iep ier iey iia iib iid iie iii iip iir ipa ipb ipd ipe ipi ipp ipr ipy ir- ira irb ird ire iri irp irr iry iya iye iyr iyy p-p paa pab pad pae pai pap par pay pba pbb pbd pbe pbi pbp pbr pby pda pdb pdd pde pdi pdp pdr pea peb ped pee pei pep per pey pia pib pid pie pii pip pir ppa ppb ppd ppe ppi ppp ppr pra prb prd pre pri prp prr pry py- pya pyb pyd pye pyr ra- raa rab rad rae rai rap rar ray rba rbb rbd rbe rbi rbp rbr rda rdb rdd rde rdi rdp rdr rdy re- rea reb red ree rei rep rer rey ria rib rid rie rii rip rir riy rpa rpb rpd rpe rpi rpp rpr rra rrb rrd rri rrp rrr ry- rya ryd rye ryr ryy yaa yab yad yae yai yap yar yay ybe ybi ybp ybr yby yda yde ydy yea yeb yed yee yei yep yer yey yid yie yii yip yir ypa ypd yra yre yrp yyb yye yyy