-er a-a a-b aaa aab aae aaj aak aar aaw ab- aba abb abe abj abk abr abw aea aeb aee aej aek aer aew aja ajb aje ajj ajk ajr ajw aka akb ake akj akk akr akw ar- ara arb are arj ark arr arw aw- awa awb awe awj awk awr aww baa bab bae baj bak bar baw bba bbb bbe bbk bbr bbw be- bea beb bee bek ber bew bja bjj bjk bjr bjw bka bkb bke bkk bkr bkw bra brb bre brj brk brr brw bwa bwb bwj bwk bwr eaa eab eae eaj eak ear eaw eba ebb ebe ebj ebk ebr ebw eea eeb eee eek eer eew eja ejw eka ekb eke ekr era erb ere erk err erw ewa ewb ewe ewj ewk ewr eww jaa jab jae jaj jak jar jaw jba jbj jbk jbr jbw jea jeb jee jej jek jer jew jja jjb jjj jjk jjr jka jkb jkk jkr jra jrb jrk jrr jwa jwb jwe jwk jwr ka- kaa kab kae kaj kak kar kaw kba kbb kbe kbk kbr kbw ke- kea keb kee kek ker kew kjb kje kjr kkb kke kkk kkr kra krk krr krw kw- kwa kwk kww ra- raa rab rae raj rak rar raw rba rbb rbe rbk rbr rbw re- rea reb ree rek rer rew rja rjk rjr rkb rke rkk rra rrb rrk rrr rwa rwb rwe rwj rwr waa wab wae wak war waw wba wbb wbe wbr wbw wea web wee wek wer wew wja wjr wjw wka wkb wke wkr wkw wr- wra wre wrk wrr wrw wwa wwe wwj www