a-a aaa aak aam aan aao aas aka akk akm akn ako aks ama amk amm amn amo ams an- ana ank anm ann ano ans aoa aok aom aon aoo aos as- asa ask asm asn aso ass ka- kaa kak kam kan kao kas kkk kkm kkn kks kma kmk kmm kmo kms kn- kna knk knm knn kno koa kok kom kon koo kos ksa ksk ksm ksn kso kss m-o maa mak mam man mao mas mka mkk mkm mkn mko mks mma mmk mmm mmn mmo mms mna mnk mnm mnn mno mns moa mok mom mon moo mos msa msk msm msn mso mss naa nak nam nan nao nas nka nkk nkm nkn nko nks nma nmk nmm nmn nmo nms nna nnk nnm nnn nno nns no- noa nok nom non noo nos nsa nsk nsm nsn nso nss oaa oak oam oan oao oas oka okk oko oks om- oma omm omn omo oms on- ona onk onn ono ons oo- ooa ook oom oon ooo oos os- osa osk osm osn oso oss saa sak sam san sao sas sk- ska skk skm sko sks sma smk smm smn smo sms sna snk snm snn sno sns soa sok som son soo sos ss- ssa ssk ssm ssn sso sss