-ic a-a a-b a-c a-i aaa aab aac aah aai aam aan aao aar ab- aba abb abc abh abi abm abn abo abr ac- aca acb acc ach aci acm acn aco acr aha ahb ahc ahh ahi ahm ahn aho ahr ai- aia aib aic aih aii aim ain aio air ama amb amc amh ami amm amn amo amr an- ana anb anc anh ani anm ann ano anr aoa aob aoc aoh aoi aom aon aoo aor ar- ara arb arc arh ari arm arn aro arr baa bab bac bah bai bam ban bao bar bba bbb bbc bbh bbi bbm bbn bbo bbr bca bcb bcc bch bci bcm bcn bco bcr bha bhb bhc bhh bhi bhm bho bhr bi- bia bib bic bih bii bim bin bio bir bma bmb bmc bmh bmi bmm bmn bmo bmr bna bnb bnc bni bnn bno bnr boa bob boc boh boi bom bon boo bor bra brb brh bri brm brn bro brr c-- caa cab cac cah cai cam can cao car cba cbb cbc cbh cbi cbm cbn cbo cbr cca ccb ccc cch cci ccm ccn cco ccr ch- cha chb chc chh chi chm chn cho chr ci- cia cib cic cih cii cim cin cio cir cma cmb cmc cmh cmi cmm cmn cmo cmr cn- cna cnb cnc cnh cni cnm cnn cno cnr co- coa cob coc coh coi com con coo cor cra crb crc crh cri crm crn cro crr h-i haa hab hac hah hai ham han hao har hba hbb hbc hbh hbi hbm hbn hbo hbr hca hcb hcc hch hci hcm hcn hco hcr hha hhb hhc hhh hhi hhm hhn hho hhr hia hib hic hih hii him hin hio hir hma hmb hmc hmh hmi hmm hmo hmr hna hnb hnc hnh hnn hno hoa hob hoc hoh hoi hom hon hoo hor hr- hra hrb hrc hrh hri hrm hrn hro hrr ia- iaa iab iac iah iai iam ian iao iar iba ibb ibc ibh ibi ibm ibn ibo ibr ica icb icc ich ici icm icn ico icr iha ihb ihc ihh ihi ihm ihn iho ihr iia iib iic iih iii iim iin iio iir im- ima imb imc imh imi imm imn imo in- ina inb inc inh ini inm inn ino inr io- ioa iob ioc ioh ioi iom ion ioo ior ir- ira irb irc iri irm irn iro irr m-o m-r maa mab mac mah mai mam man mao mar mba mbb mbc mbh mbi mbm mbo mbr mc- mca mcb mcc mch mci mcm mcn mco mcr mha mhc mhh mhi mhm mhn mho mhr mi- mia mib mic mih mii mim min mio mir mma mmb mmc mmh mmi mmm mmn mmo mmr mna mnb mnc mni mnm mnn mno mnr moa mob moc moh moi mom mon moo mor mra mrb mrc mrh mri mrm mrn mro mrr n-i naa nab nac nah nai nam nan nao nar nba nbb nbc nbi nbm nbn nbo nbr nca ncb ncc nch nci ncm ncn nco ncr nha nhb nhc nhh nhi nhm nhn nhr nia nib nic nih nii nim nin nio nir nma nmb nmc nmh nmi nmm nmn nmo nmr nna nnb nnc nnh nni nnm nnn nno no- noa nob noc noh noi nom non noo nor nra nrb nrc nri nrm nrn nro nrr o-i oaa oab oac oah oai oam oan oao oar ob- oba obb obc obh obi obm obn obo obr oc- oca ocb occ och oci ocm ocn oco ocr oha ohc ohh ohi ohm ohn oho ohr oia oib oic oii oim oin oio oir om- oma omb omc omh omi omm omn omo omr on- ona onb onc onh oni onn ono onr oo- ooa oob ooc ooh ooi oom oon ooo oor or- ora orb orc orh ori orm orn oro orr ra- raa rab rac rah rai ram ran rao rar rba rbb rbc rbh rbi rbm rbn rbo rbr rca rcb rcc rch rci rcm rcn rco rcr rh- rha rhb rhc rhh rhi rhm rhn rho rhr ria rib ric rih rii rim rin rio rir rma rmb rmc rmh rmi rmm rmn rmo rmr rna rnb rnc rnh rni rnm rnn rno rnr roa rob roc roh roi rom ron roo ror rra rrb rrc rrh rri rrm rrn rrr