-al -ol a-a a-b a-c aaa aab aac aah aak aal aam aan aao aar ab- aba abb abc abh abk abl abm abn abo abr ac- aca acb acc ach ack acl acm acn aco acr aha ahb ahc ahh ahk ahl ahm ahn aho ahr aka akb akc akh akk akl akm akn ako akr al- ala alb alc alh alk all alm aln alo alr ama amb amc amh amk aml amm amn amo amr an- ana anb anc anh ank anl anm ann ano anr aoa aob aoc aoh aok aol aom aon aoo aor ar- ara arb arc arh ark arl arm arn aro arr baa bab bac bah bak bal bam ban bao bar bba bbb bbc bbh bbk bbl bbm bbn bbo bbr bca bcb bcc bch bck bcl bcm bcn bco bcr bha bhb bhc bhh bhk bhl bhm bho bhr bka bkb bkc bkk bkl bkm bkn bko bkr bla blb blc blh blk bll blm bln blo blr bma bmb bmc bmh bmk bml bmm bmn bmo bmr bna bnb bnc bnk bnl bnn bno bnr boa bob boc boh bok bol bom bon boo bor bra brb brh brk brl brm brn bro brr c-- caa cab cac cah cak cal cam can cao car cba cbb cbc cbh cbk cbl cbm cbn cbo cbr cca ccb ccc cch cck ccl ccm ccn cco ccr ch- cha chb chc chh chk chl chm chn cho chr cka ckb ckc ckh ckm cko cl- cla clb clc clh clk cll clm cln clo clr cma cmb cmc cmh cmk cml cmm cmn cmo cmr cn- cna cnb cnc cnh cnl cnm cnn cno cnr co- coa cob coc coh cok col com con coo cor cra crb crc crh crk crl crm crn cro crr haa hab hac hah hak hal ham han hao har hba hbb hbc hbh hbk hbl hbm hbn hbo hbr hca hcb hcc hch hck hcl hcm hcn hco hcr hha hhb hhc hhh hhk hhl hhm hhn hho hhr hka hkb hkh hkk hkl hkm hkn hko hkr hla hlb hlc hlh hll hlm hln hlo hlr hma hmb hmc hmh hmk hml hmm hmo hmr hna hnb hnc hnh hnk hnl hnn hno hoa hob hoc hoh hok hol hom hon hoo hor hr- hra hrb hrc hrh hrk hrl hrm hrn hro hrr ka- kaa kab kac kah kak kal kam kan kao kar kba kbb kbc kbh kbk kbl kbm kbn kbo kbr kca kcb kcc kch kck kcl kcm kcn kcr kha khh khk khm khn kho khr kkb kkc kkh kkk kkl kkm kkn kkr kl- kla klb klc klh klm klo klr kma kmb kmc kmh kmk kml kmm kmo kn- kna knc knk knl knm knn kno knr koa kob koc koh kok kol kom kon koo kor kra krc krk krl krn kro krr la- laa lab lac lah lak lal lam lan lao lar lba lbb lbc lbh lbk lbl lbm lbo lbr lca lcb lcc lch lck lcl lcm lcn lco lcr lha lhb lhc lhh lhk lho lhr lka lkb lkh lkl lkr lla llb llc llk lll llm lln llo llr lma lmb lmc lmh lmk lml lmm lmn lmo lmr lna lnb lnc lnh lnk lnl lnm lnn lno lnr loa lob loc loh lok lol lom lon loo lor lra lrb lrc lrh lrk lrm lrn lro lrr m-o m-r maa mab mac mah mak mal mam man mao mar mba mbb mbc mbh mbk mbl mbm mbo mbr mc- mca mcb mcc mch mck mcl mcm mcn mco mcr mha mhc mhh mhk mhl mhm mhn mho mhr mka mkb mkc mkh mkk mkl mkm mkn mko mkr mla mlb mlc mlh mlk mll mlm mln mlo mlr mma mmb mmc mmh mmk mml mmm mmn mmo mmr mna mnb mnc mnk mnl mnm mnn mno mnr moa mob moc moh mok mol mom mon moo mor mra mrb mrc mrh mrk mrl mrm mrn mro mrr naa nab nac nah nak nal nam nan nao nar nba nbb nbc nbk nbl nbm nbn nbo nbr nca ncb ncc nch nck ncl ncm ncn nco ncr nha nhb nhc nhh nhk nhl nhm nhn nhr nka nkc nkk nkm nkn nko nkr nla nlb nlc nlh nlk nll nlm nln nlo nlr nma nmb nmc nmh nmk nml nmm nmn nmo nmr nna nnb nnc nnh nnk nnl nnm nnn nno no- noa nob noc noh nok nol nom non noo nor nra nrb nrc nrk nrl nrm nrn nro nrr oaa oab oac oah oak oal oam oan oao oar ob- oba obb obc obh obk obl obm obn obo obr oc- oca ocb occ och ock ocl ocm ocn oco ocr oha ohc ohh ohl ohm ohn oho ohr oka okb okc okk okl oko okr ola olb olc olk oll olm oln olo om- oma omb omc omh oml omm omn omo omr on- ona onb onc onh onk onl onn ono onr oo- ooa oob ooc ooh ook ool oom oon ooo oor or- ora orb orc orh ork orl orm orn oro orr ra- raa rab rac rah rak ral ram ran rao rar rba rbb rbc rbh rbk rbl rbm rbn rbo rbr rca rcb rcc rch rcl rcm rcn rco rcr rh- rha rhb rhc rhh rhl rhm rhn rho rhr rkb rkc rkk rkm rko rla rlc rlh rll rlm rln rlo rlr rma rmb rmc rmh rml rmm rmn rmo rmr rna rnb rnc rnh rnm rnn rno rnr roa rob roc roh rok rol rom ron roo ror rra rrb rrc rrh rrk rrl rrm rrn rrr