-th a-a a-b a-t aaa aab aad aah aak aan aar aat ab- aba abb abd abh abk abn abr abt ad- ada adb add adh adk adn adr adt aha ahb ahd ahh ahk ahn ahr aht aka akb akd akh akk akn akr an- ana anb and anh ank ann anr ant ar- ara arb ard arh ark arn arr art at- ata atb atd ath atn atr att baa bab bad bah bak ban bar bat bba bbb bbd bbh bbk bbn bbr bbt bda bdb bdd bdh bdk bdr bdt bha bhb bhd bhh bhk bhr bht bka bkb bkk bkn bkr bkt bna bnb bnd bnk bnn bnr bnt bra brb brd brh brk brn brr brt bta btb btd bth btk btn btr btt daa dab dad dah dak dan dar dat dba dbb dbd dbh dbk dbn dbr dbt dda ddb ddd ddh ddk ddn ddr ddt dh- dha dhb dhd dhh dhk dhr dht dka dkb dkk dkr dkt dna dnb dnd dnh dnk dnn dnr dnt dra drb drd drk drn drr drt dta dtb dtd dth dtk dtn dtr dtt haa hab had hah hak han har hat hba hbb hbd hbh hbk hbn hbr hbt hda hdb hdd hdh hdk hdn hdr hdt hha hhb hhd hhh hhk hhn hhr hht hka hkb hkd hkh hkk hkn hkr hkt hna hnb hnd hnh hnk hnn hnt hr- hra hrb hrd hrh hrk hrn hrr hrt hta htb htd hth htk htn htr htt k-t ka- kaa kab kad kah kak kan kar kat kba kbb kbd kbh kbk kbn kbr kda kdb kdh kdk kdr kdt kha khh khk khn khr kkb kkh kkk kkn kkr kkt kn- kna knd knk knn knr knt kra krd krk krn krr krt kta ktb kth ktk ktn ktr ktt naa nab nad nah nak nan nar nat nba nbb nbd nbk nbn nbr nbt nda ndb ndd ndh ndk ndn ndr ndt nha nhb nhd nhh nhk nhn nhr nht nka nkk nkn nkr nkt nna nnb nnh nnk nnn nnt nra nrb nrd nrk nrn nrr nrt nta ntb ntd nth ntk ntn ntr ntt ra- raa rab rad rah rak ran rar rat rba rbb rbd rbh rbk rbn rbr rbt rda rdb rdd rdh rdn rdr rdt rh- rha rhb rhd rhh rhn rhr rht rkb rkk rkt rna rnb rnd rnh rnn rnr rnt rra rrb rrd rrh rrk rrn rrr rrt rta rtb rtd rtk rtn rtr rtt taa tab tad tah tak tan tar tat tba tbb tbd tbh tbk tbn tbr tbt tda tdb tdd tdh tdk tdn tdr tdt th- tha thb thd thh thk thn thr tht tka tkb tkk tkr tkt tna tnb tnd tnh tnk tnn tnr tnt tra trb trd trh trk trn trr trt tta ttb ttd tth ttk ttn ttr ttt