-er a-a aaa aad aae aaj aap aar ad- ada add ade adj adp adr aea aed aee aej aep aer aja ajd aje ajj ajp ajr ap- apa apd ape apj app apr ar- ara ard are arj arp arr daa dad dae daj dap dar dda ddd dde ddp ddr de- dea ded dee dej dep der dj- dja djd dje djp dpa dpd dpe dpp dpr dra drd dre drj drp drr eaa ead eae eaj eap ear ed- eda edd ede edj edp edr eea eed eee eep eer eja ejd ejp ep- epa epd epe epp epr era erd ere erp err j-d jaa jad jae jaj jap jar jda jde jdp jdr jea jed jee jej jep jer jja jjj jjp jjr jpa jpe jpj jpp jpr jra jrp jrr p-p paa pad pae paj pap par pda pdd pde pdp pdr pea ped pee pep per pja pjd pjp ppa ppd ppe ppj ppp ppr pra prd pre prp prr ra- raa rad rae raj rap rar rda rdd rde rdj rdp rdr re- rea red ree rep rer rja rjp rjr rpa rpd rpe rpp rpr rra rrd rrp rrr