-ic a-a a-b a-c a-i aaa aab aac aah aai aam aao aar ab- aba abb abc abh abi abm abo abr ac- aca acb acc ach aci acm aco acr aha ahb ahc ahh ahi ahm aho ahr ai- aia aib aic aih aii aim aio air ama amb amc amh ami amm amo amr aoa aob aoc aoh aoi aom aoo aor ar- ara arb arc arh ari arm aro arr baa bab bac bah bai bam bao bar bba bbb bbc bbh bbi bbm bbo bbr bca bcb bcc bch bci bcm bco bcr bha bhb bhc bhh bhi bhm bho bhr bi- bia bib bic bih bii bim bio bir bma bmb bmc bmh bmi bmm bmo bmr boa bob boc boh boi bom boo bor bra brb brh bri brm bro brr c-- caa cab cac cah cai cam cao car cba cbb cbc cbh cbi cbm cbo cbr cca ccb ccc cch cci ccm cco ccr ch- cha chb chc chh chi chm cho chr ci- cia cib cic cih cii cim cio cir cma cmb cmc cmh cmi cmm cmo cmr co- coa cob coc coh coi com coo cor cra crb crc crh cri crm cro crr h-i haa hab hac hah hai ham hao har hba hbb hbc hbh hbi hbm hbo hbr hca hcb hcc hch hci hcm hco hcr hha hhb hhc hhh hhi hhm hho hhr hia hib hic hih hii him hio hir hma hmb hmc hmh hmi hmm hmo hmr hoa hob hoc hoh hoi hom hoo hor hr- hra hrb hrc hrh hri hrm hro hrr ia- iaa iab iac iah iai iam iao iar iba ibb ibc ibh ibi ibm ibo ibr ica icb icc ich ici icm ico icr iha ihb ihc ihh ihi ihm iho ihr iia iib iic iih iii iim iio iir im- ima imb imc imh imi imm imo io- ioa iob ioc ioh ioi iom ioo ior ir- ira irb irc iri irm iro irr m-o m-r maa mab mac mah mai mam mao mar mba mbb mbc mbh mbi mbm mbo mbr mc- mca mcb mcc mch mci mcm mco mcr mha mhc mhh mhi mhm mho mhr mi- mia mib mic mih mii mim mio mir mma mmb mmc mmh mmi mmm mmo mmr moa mob moc moh moi mom moo mor mra mrb mrc mrh mri mrm mro mrr o-i oaa oab oac oah oai oam oao oar ob- oba obb obc obh obi obm obo obr oc- oca ocb occ och oci ocm oco ocr oha ohc ohh ohi ohm oho ohr oia oib oic oii oim oio oir om- oma omb omc omh omi omm omo omr oo- ooa oob ooc ooh ooi oom ooo oor or- ora orb orc orh ori orm oro orr ra- raa rab rac rah rai ram rao rar rba rbb rbc rbh rbi rbm rbo rbr rca rcb rcc rch rci rcm rco rcr rh- rha rhb rhc rhh rhi rhm rho rhr ria rib ric rih rii rim rio rir rma rmb rmc rmh rmi rmm rmo rmr roa rob roc roh roi rom roo ror rra rrb rrc rrh rri rrm rrr