a-a a-b aaa aab aah aaj aam aan aao aar ab- aba abb abh abj abm abn abo abr aha ahb ahh ahj ahm ahn aho ahr aja ajb ajh ajj ajm ajn ajo ajr ama amb amh amm amn amo amr an- ana anb anh anj anm ann ano anr aoa aob aoh aoj aom aon aoo aor ar- ara arb arh arj arm arn aro arr baa bab bah baj bam ban bao bar bba bbb bbh bbm bbn bbo bbr bha bhb bhh bhj bhm bho bhr bja bjj bjm bjn bjr bma bmb bmh bmj bmm bmn bmo bmr bna bnb bnj bnn bno bnr boa bob boh boj bom bon boo bor bra brb brh brj brm brn bro brr haa hab hah haj ham han hao har hba hbb hbh hbj hbm hbn hbo hbr hha hhb hhh hhj hhm hhn hho hhr hja hjm hjn hjo hjr hma hmb hmh hmj hmm hmo hmr hna hnb hnh hnj hnn hno hoa hob hoh hom hon hoo hor hr- hra hrb hrh hrj hrm hrn hro hrr jaa jab jah jaj jam jan jao jar jba jbj jbm jbo jbr jha jhj jhn jho jhr jja jjb jjj jjr jma jmb jmj jmm jmn jmo jmr jna jnh jnj jnn jno jnr joa job joh joj jom jon joo jor jra jrb jrm jrn jro jrr m-o m-r maa mab mah maj mam man mao mar mba mbb mbh mbj mbm mbo mbr mha mhh mhm mhn mho mhr mjb mjj mjm mjr mma mmb mmh mmj mmm mmn mmo mmr mna mnb mnj mnm mnn mno mnr moa mob moh mom mon moo mor mra mrb mrh mrj mrm mrn mro mrr naa nab nah naj nam nan nao nar nba nbb nbm nbn nbo nbr nha nhb nhh nhj nhm nhn nhr nja njm njn nma nmb nmh nmm nmn nmo nmr nna nnb nnh nnm nnn nno no- noa nob noh noj nom non noo nor nra nrb nrj nrm nrn nro nrr oaa oab oah oaj oam oan oao oar ob- oba obb obh obj obm obn obo obr oha ohh ohm ohn oho ohr oja ojb ojm ojo om- oma omb omh omj omm omn omo omr on- ona onb onh onj onn ono onr oo- ooa oob ooh oom oon ooo oor or- ora orb orh orm orn oro orr ra- raa rab rah raj ram ran rao rar rba rbb rbh rbm rbn rbo rbr rh- rha rhb rhh rhm rhn rho rhr rja rjm rjr rma rmb rmh rmm rmn rmo rmr rna rnb rnh rnm rnn rno rnr roa rob roh roj rom ron roo ror rra rrb rrh rrm rrn rrr