a-a a-b a-c aaa aab aac aah aam aao aar aau aay ab- aba abb abc abh abm abo abr abu aby ac- aca acb acc ach acm aco acr acu acy aha ahb ahc ahh ahm aho ahr ahu ahy ama amb amc amh amm amo amr amu amy aoa aob aoc aoh aom aoo aor aou ar- ara arb arc arh arm aro arr aru ary au- aua aub auc auh aum auo aur ay- aya ayc ayh ayo ayr ayu b-u baa bab bac bah bam bao bar bau bay bba bbb bbc bbh bbm bbo bbr bbu bby bca bcb bcc bch bcm bco bcr bcu bcy bha bhb bhc bhh bhm bho bhr bhu bma bmb bmc bmh bmm bmo bmr bmu boa bob boc boh bom boo bor bou boy bra brb brh brm bro brr bru bry bua bub buc buh bum buo bur buu buy by- bya byc byh bym byo byr byu c-- caa cab cac cah cam cao car cau cay cba cbb cbc cbh cbm cbo cbr cbu cby cca ccb ccc cch ccm cco ccr ccu ch- cha chb chc chh chm cho chr chu chy cma cmb cmc cmh cmm cmo cmr cmu cmy co- coa cob coc coh com coo cor cou coy cra crb crc crh crm cro crr cru cry cua cub cuc cuh cum cuo cur cuu cuy cya cyb cyc cym cyo cyr haa hab hac hah ham hao har hau hay hba hbb hbc hbh hbm hbo hbr hbu hby hca hcb hcc hch hcm hco hcr hcy hha hhb hhc hhh hhm hho hhr hhu hhy hma hmb hmc hmh hmm hmo hmr hmu hmy hoa hob hoc hoh hom hoo hor hou hoy hr- hra hrb hrc hrh hrm hro hrr hru hua hub huc huh hum huo hur huu huy hy- hya hyb hyc hyh hym hyo hyr hyy m-o m-r maa mab mac mah mam mao mar mau may mba mbb mbc mbh mbm mbo mbr mbu mc- mca mcb mcc mch mcm mco mcr mcu mha mhc mhh mhm mho mhr mhu mma mmb mmc mmh mmm mmo mmr mmu moa mob moc moh mom moo mor mou moy mra mrb mrc mrh mrm mro mrr mru mry mua mub muc muh mum mur muu muy my- mya myb myc myh mym myo myr myu oaa oab oac oah oam oao oar oau ob- oba obb obc obh obm obo obr obu oby oc- oca ocb occ och ocm oco ocr ocu oha ohc ohh ohm oho ohr ohu om- oma omb omc omh omm omo omr omu omy oo- ooa oob ooc ooh oom ooo oor or- ora orb orc orh orm oro orr oru ory ou- oua ouc ouh oum ouo our oya oyo ra- raa rab rac rah ram rao rar rau ray rba rbb rbc rbh rbm rbo rbr rbu rca rcb rcc rch rcm rco rcr rcu rh- rha rhb rhc rhh rhm rho rhr rhu rma rmb rmc rmh rmm rmo rmr roa rob roc roh rom roo ror rou roy rra rrb rrc rrh rrm rrr rru rua rub ruc ruh rum ruo rur ruu ruy ry- rya ryc rym ryo ryr ryu ryy ua- uaa uab uac uah uam uao uar uau uay uba ubb ubc ubh ubo ubr ubu uby uca ucb ucc uch ucm uco ucr ucu uha uhb uhc uhh uhm uho uhr uhu uhy um- uma umb umc umh umm umo umr umu uoa uob uoc uom uoo uor ur- ura urb urc urm uro urr uru ury uua uuc uum uur uuu uyc uyo uyu yaa yab yac yah yam yao yar yau yay ybc ybm ybr yby yca ycc ych yco ycu ycy yha yhc yhu yma ymc ymm ymo yob yoc yom yoo yor you yoy yra yrc yro yru yua yuh yum yuo yur yuu yuy yyb yyc yyu yyy