-ic a-a a-b a-c a-i aaa aab aac aai aam aan aao aar aau ab- aba abb abc abi abm abn abo abr abu ac- aca acb acc aci acm acn aco acr acu ai- aia aib aic aii aim ain aio air aiu ama amb amc ami amm amn amo amr amu an- ana anb anc ani anm ann ano anr anu aoa aob aoc aoi aom aon aoo aor aou ar- ara arb arc ari arm arn aro arr aru au- aua aub auc aui aum aun auo aur b-u baa bab bac bai bam ban bao bar bau bba bbb bbc bbi bbm bbn bbo bbr bbu bca bcb bcc bci bcm bcn bco bcr bcu bi- bia bib bic bii bim bin bio bir biu bma bmb bmc bmi bmm bmn bmo bmr bmu bna bnb bnc bni bnn bno bnr bnu boa bob boc boi bom bon boo bor bou bra brb bri brm brn bro brr bru bua bub buc bui bum bun buo bur buu c-- caa cab cac cai cam can cao car cau cba cbb cbc cbi cbm cbn cbo cbr cbu cca ccb ccc cci ccm ccn cco ccr ccu ci- cia cib cic cii cim cin cio cir ciu cma cmb cmc cmi cmm cmn cmo cmr cmu cn- cna cnb cnc cni cnm cnn cno cnr cnu co- coa cob coc coi com con coo cor cou cra crb crc cri crm crn cro crr cru cua cub cuc cui cum cun cuo cur cuu ia- iaa iab iac iai iam ian iao iar iau iba ibb ibc ibi ibm ibn ibo ibr ibu ica icb icc ici icm icn ico icr icu iia iib iic iii iim iin iio iir iiu im- ima imb imc imi imm imn imo imu in- ina inb inc ini inm inn ino inr inu io- ioa iob ioc ioi iom ion ioo ior iou ir- ira irb irc iri irm irn iro irr iru iu- iua iub iuc iui ium iur m-o m-r maa mab mac mai mam man mao mar mau mba mbb mbc mbi mbm mbo mbr mbu mc- mca mcb mcc mci mcm mcn mco mcr mcu mi- mia mib mic mii mim min mio mir miu mma mmb mmc mmi mmm mmn mmo mmr mmu mna mnb mnc mni mnm mnn mno mnr mnu moa mob moc moi mom mon moo mor mou mra mrb mrc mri mrm mrn mro mrr mru mua mub muc mui mum mun mur muu n-i naa nab nac nai nam nan nao nar nau nba nbb nbc nbi nbm nbn nbo nbr nbu nca ncb ncc nci ncm ncn nco ncr ncu nia nib nic nii nim nin nio nir niu nma nmb nmc nmi nmm nmn nmo nmr nmu nna nnb nnc nni nnm nnn nno nnu no- noa nob noc noi nom non noo nor nou nra nrb nrc nri nrm nrn nro nrr nru nua nub nuc nui num nun nuo nur nuu o-i oaa oab oac oai oam oan oao oar oau ob- oba obb obc obi obm obn obo obr obu oc- oca ocb occ oci ocm ocn oco ocr ocu oia oib oic oii oim oin oio oir oiu om- oma omb omc omi omm omn omo omr omu on- ona onb onc oni onn ono onr onu oo- ooa oob ooc ooi oom oon ooo oor or- ora orb orc ori orm orn oro orr oru ou- oua ouc oui oum oun ouo our ra- raa rab rac rai ram ran rao rar rau rba rbb rbc rbi rbm rbn rbo rbr rbu rca rcb rcc rci rcm rcn rco rcr rcu ria rib ric rii rim rin rio rir rma rmb rmc rmi rmm rmn rmo rmr rna rnb rnc rni rnm rnn rno rnr rnu roa rob roc roi rom ron roo ror rou rra rrb rrc rri rrm rrn rrr rru rua rub ruc rui rum run ruo rur ruu ua- uaa uab uac uai uam uan uao uar uau uba ubb ubc ubi ubn ubo ubr ubu uca ucb ucc uci ucm ucn uco ucr ucu uia uib uic uii uim uin uio uir uiu um- uma umb umc umi umm umn umo umr umu un- una unb unc uni unm unn uno unr unu uoa uob uoc uom uon uoo uor ur- ura urb urc uri urm urn uro urr uru uua uuc uum uun uur uuu