-ic a-a a-b a-c a-i aaa aab aac aag aai aam aan aao aar aau ab- aba abb abc abg abi abm abn abo abr abu ac- aca acb acc acg aci acm acn aco acr acu ag- aga agb agc agg agi agm agn ago agr agu ai- aia aib aic aig aii aim ain aio air aiu ama amb amc amg ami amm amn amo amr amu an- ana anb anc ang ani anm ann ano anr anu aoa aob aoc aog aoi aom aon aoo aor aou ar- ara arb arc arg ari arm arn aro arr aru au- aua aub auc aug aui aum aun auo aur b-u baa bab bac bag bai bam ban bao bar bau bba bbb bbc bbg bbi bbm bbn bbo bbr bbu bca bcb bcc bcg bci bcm bcn bco bcr bcu bga bgb bgc bgg bgi bgm bgn bgo bgr bgu bi- bia bib bic big bii bim bin bio bir biu bma bmb bmc bmg bmi bmm bmn bmo bmr bmu bna bnb bnc bng bni bnn bno bnr bnu boa bob boc bog boi bom bon boo bor bou bra brb brg bri brm brn bro brr bru bua bub buc bug bui bum bun buo bur buu c-- caa cab cac cag cai cam can cao car cau cba cbb cbc cbg cbi cbm cbn cbo cbr cbu cca ccb ccc ccg cci ccm ccn cco ccr ccu cga cgb cgc cgg cgi cgm cgn cgo cgr cgu ci- cia cib cic cig cii cim cin cio cir ciu cma cmb cmc cmg cmi cmm cmn cmo cmr cmu cn- cna cnb cnc cng cni cnm cnn cno cnr cnu co- coa cob coc cog coi com con coo cor cou cra crb crc crg cri crm crn cro crr cru cua cub cuc cug cui cum cun cuo cur cuu gaa gab gac gag gai gam gan gao gar gau gba gbc gbg gbi gbm gbn gbo gbr gbu gca gcb gcc gcg gci gcm gcn gco gcr gcu gga ggb ggc ggg ggi ggm ggn ggo ggr ggu gia gib gic gig gii gim gin gio gir giu gma gmb gmc gmg gmi gmm gmn gmo gmr gna gnb gnc gni gnm gnn gno gnr gnu goa gob goc gog goi gom gon goo gor gou gra grb grc grg gri grm grn gro grr gru gu- gua gub guc gug gui gum gun guo gur guu ia- iaa iab iac iag iai iam ian iao iar iau iba ibb ibc ibg ibi ibm ibn ibo ibr ibu ica icb icc icg ici icm icn ico icr icu iga igb igc igg igi igm ign igo igr igu iia iib iic iii iim iin iio iir iiu im- ima imb imc img imi imm imn imo imu in- ina inb inc ing ini inm inn ino inr inu io- ioa iob ioc iog ioi iom ion ioo ior iou ir- ira irb irc irg iri irm irn iro irr iru iu- iua iub iuc iug iui ium iur m-o m-r maa mab mac mag mai mam man mao mar mau mba mbb mbc mbg mbi mbm mbo mbr mbu mc- mca mcb mcc mcg mci mcm mcn mco mcr mcu mga mgb mgc mgi mgm mgn mgo mgr mgu mi- mia mib mic mig mii mim min mio mir miu mma mmb mmc mmg mmi mmm mmn mmo mmr mmu mna mnb mnc mng mni mnm mnn mno mnr mnu moa mob moc mog moi mom mon moo mor mou mra mrb mrc mrg mri mrm mrn mro mrr mru mua mub muc mug mui mum mun mur muu n-i naa nab nac nag nai nam nan nao nar nau nba nbb nbc nbg nbi nbm nbn nbo nbr nbu nca ncb ncc ncg nci ncm ncn nco ncr ncu nga ngb ngc ngg ngi ngm ngn ngo ngu nia nib nic nig nii nim nin nio nir niu nma nmb nmc nmg nmi nmm nmn nmo nmr nmu nna nnb nnc nng nni nnm nnn nno nnu no- noa nob noc nog noi nom non noo nor nou nra nrb nrc nrg nri nrm nrn nro nrr nru nua nub nuc nug nui num nun nuo nur nuu o-i oaa oab oac oag oai oam oan oao oar oau ob- oba obb obc obg obi obm obn obo obr obu oc- oca ocb occ ocg oci ocm ocn oco ocr ocu oga ogc ogg ogi ogn ogo oia oib oic oii oim oin oio oir oiu om- oma omb omc omg omi omm omn omo omr omu on- ona onb onc ong oni onn ono onr onu oo- ooa oob ooc oog ooi oom oon ooo oor or- ora orb orc org ori orm orn oro orr oru ou- oua ouc oui oum oun ouo our ra- raa rab rac rag rai ram ran rao rar rau rba rbb rbc rbg rbi rbm rbn rbo rbr rbu rca rcb rcc rcg rci rcm rcn rco rcr rcu rga rgb rgc rgg rgi rgn rgo rgr ria rib ric rig rii rim rin rio rir rma rmb rmc rmg rmi rmm rmn rmo rmr rna rnb rnc rng rni rnm rnn rno rnr rnu roa rob roc rog roi rom ron roo ror rou rra rrb rrc rrg rri rrm rrn rrr rru rua rub ruc rug rui rum run ruo rur ruu ua- uaa uab uac uag uai uam uan uao uar uau uba ubb ubc ubg ubi ubn ubo ubr ubu uca ucb ucc ucg uci ucm ucn uco ucr ucu uga ugb ugc ugg ugi ugm ugn ugo ugr ugu uia uib uic uig uii uim uin uio uir uiu um- uma umb umc umg umi umm umn umo umr umu un- una unb unc ung uni unm unn uno unr unu uoa uob uoc uog uom uon uoo uor ur- ura urb urc urg uri urm urn uro urr uru