a-a a-b a-t aaa aab aam aao aar aat aau aay ab- aba abb abm abo abr abt abu aby ama amb amm amo amr amt amu amy aoa aob aom aoo aor aot aou ar- ara arb arm aro arr art aru ary at- ata atb atm ato atr att atu au- aua aub aum auo aur aut ay- aya ayo ayr ayt ayu b-u baa bab bam bao bar bat bau bay bba bbb bbm bbo bbr bbt bbu bby bma bmb bmm bmo bmr bmt bmu boa bob bom boo bor bot bou boy bra brb brm bro brr brt bru bry bta btb btm bto btr btt btu bty bua bub bum buo bur but buu buy by- bya bym byo byr byt byu m-o m-r maa mab mam mao mar mat mau may mba mbb mbm mbo mbr mbt mbu mma mmb mmm mmo mmr mmt mmu moa mob mom moo mor mot mou moy mra mrb mrm mro mrr mrt mru mry mta mtb mtm mto mtr mtt mtu mua mub mum mur mut muu muy my- mya myb mym myo myr myt myu oaa oab oam oao oar oat oau ob- oba obb obm obo obr obt obu oby om- oma omb omm omo omr omt omu omy oo- ooa oob oom ooo oor oot or- ora orb orm oro orr ort oru ory ot- ota otb otm oto otr ott otu ou- oua oum ouo our out oya oyo ra- raa rab ram rao rar rat rau ray rba rbb rbm rbo rbr rbt rbu rma rmb rmm rmo rmr rmt roa rob rom roo ror rot rou roy rra rrb rrm rrr rrt rru rta rtb rtm rto rtr rtt rtu rty rua rub rum ruo rur rut ruu ruy ry- rya rym ryo ryr ryu ryy taa tab tam tao tar tat tau tay tba tbb tbm tbo tbr tbt tbu tma tmb tmm tmo tmr tmt tmu tmy to- toa tob tom too tor tot tou toy tra trb trm tro trr trt tru try tta ttb ttm tto ttr ttt ttu tty tua tub tum tuo tur tut tuu tuy tya tym tyo tyr tyt ua- uaa uab uam uao uar uat uau uay uba ubb ubo ubr ubt ubu uby um- uma umb umm umo umr umt umu uoa uob uom uoo uor uot ur- ura urb urm uro urr urt uru ury uta utb utm uto utr utt utu uty uua uum uur uut uuu uyo uyu yaa yab yam yao yar yat yau yay ybm ybr yby yma ymm ymo ymt yob yom yoo yor yot you yoy yra yro yrt yru yta ytm yto ytr ytt ytu yua yum yuo yur yut yuu yuy yyb yyt yyu yyy